The Escapement

1

"The quickest way to a man's heart," the instructor said, "is proverbially through his stomach, but if you want to get into his brain, I recommend the eye socket."

He reached out with the tip of the rapier and tapped it against the signet ring he'd hung by a strand of cotton from the arm of the ornate gilt lamp bracket. The ring began to sway slowly backwards and forwards, like a pendulum. He took a step back, then raised the sword again, and slid his front foot smoothly across the tiles as he lunged. The point of the rapier tinkled against the ring as it passed through its centre.

"That's very good," Psellus said. "I don't think I'll be able to do that."

The instructor nodded. "Not to begin with," he said. "You've got to work up to it. But try it anyway."

Psellus frowned, then nodded. "You never know," he said. He closed his hand around the grip of his rapier. ("That's it. Imagine you're holding a mouse; tight enough to stop it escaping, but don't crush its ribs.") He felt a stabbing pain in the overworked tendons of his elbow as he raised his hand into the third guard, and knew he'd regret all this later. Twenty years holding nothing heavier than a pen, and now he would insist on learning to fence.

"Just look at the ring," the instructor said. "Forget about the sword, just the ring."

Psellus felt his muscles tense, which was quite wrong, of course.

He'd been told about that, and it had made sense and he'd understood, but for some reason he couldn't stop himself doing it. That was what came of fifty years of imagining what it'd be like to fence with a real sword.

"When you're ready," the instructor sighed.

That meant, get on with it, freely translated from the diplomatic; so he snatched a half-mouthful of breath, fixed all his attention on the tip of the sword and prodded desperately at the ring. The rapier point missed it by a handspan, glanced off the base of the bracket and gouged a small chip of plaster out of the wall.

"Not quite there yet," the instructor said, in a very calm voice. "You'd have taken a chunk out of his ear, but that'd probably just make him hate you. Now then."

Psellus lowered the sword until the tip rested on the tiles. It was hopeless, he reckoned. For one thing, they'd given him a sword that was far too heavy. You couldn't expect to be able to do fine work with a great big heavy thing, it'd be like trying to write with a scaffolding pole. He'd mentioned this several times but the instructor had politely ignored him.

"It's basically the same idea as everything else we've covered so far," the instructor was saying. "You start off slow and easy, just leaning gently forward and putting the point in the ring; and when you've done that a thousand times or so, you can gradually pick up speed and force until it's right. So, as slow as you like, lift the sword and just point at the ring, like you're pointing with your finger."

Ten times (which meant only nine hundred and ninety to go), and then Psellus said, "I'm sorry, I think I'll have to stop now, my elbow's hurting rather a lot. Perhaps we can try again tomorrow, if that would be convenient for you."

"Of course." The instructor reached out and tugged the ring off the cotton, which dangled like a strand of dusty cobweb. "If you can possibly make time to practise before then, I think you'll find it very useful."

He put his rapier back in its case, buckled up the strap, bowed ever so politely and left. When he'd gone, Psellus walked slowly back to his desk and sat in his chair for a while, unable to think about anything much apart from the pain in his elbow. So much for fencing. It would have been nice to be able to do it; and now that he was the chairman of Necessary Evil, in effect the supreme ruler of the City, he'd assumed that the ability would somehow have come to him, as part of the package. Rulers, princes could do that sort of thing; they could fence and ride and shoot and dance minuets and fly hawks and sing serenades while accompanying themselves on the rebec or psaltery, because those sorts of thing were what princes did; you never heard or read about a prince who couldn't hunt or sword-fight, so obviously there was some kind of basic connection between the job and the ability. But maybe it didn't apply to chairmen, or maybe there was rather more to it than that. Still, at least he was trying; and perhaps nine hundred and ninety more tentative jabs with the very heavy sword would turn him into what everybody seemed to think he was these days. Or maybe not.

The truth is, he thought as he reached across his desk and uncapped his inkwell, I seek to make myself ridiculous, because I know I shouldn't be here. A pretender (the perfect word; ever since it had occurred to him, he'd been hugging it to himself like a child's toy) ought to have ridiculous pretensions, such as fencing, riding, archery, dance, falconry, all of which he's hopeless at, and that's how the people come to realise he's not the true prince. Tomorrow, if there's time, I must find someone to teach me how to dance. It's practically my duty.

If there's time. He looked down at his desk. If he was really a prince, someone else would be reading all these reports for him, and he'd have all the time in the world. He'd have a chancellor or a grand vizier, either bald and enormously fat or long, dark and saturnine, discreetly running the empire while His Imperial Highness rode to hounds or recited poetry to beautiful, empty-headed young women.

He lifted his head to look out of the window, and thought about his enemy. Duke Valens was reckoned to be the finest huntsman in the world, so clearly he was a proper prince. It should have followed, therefore, that Valens was a pinhead, the natural quarry of clever, austere predators like himself. But maybe Valens wasn't a proper prince either; too intelligent, or else how had it come about that he was bearing down on the City at the head of an army of a million savages, while the ruler of the Perpetual Republic flounced and panted up and down a chalk line, trying to master the rudiments of the low guard?

Perhaps, he thought, that's why I want to be able to fence and dance and hunt and compose pastoral eclogues in trochaic pentameters; because I secretly believe that these accomplishments will turn me into someone who can also command armies and fight battles, and save my city from the million savages. Quite possibly there's a grain of sense in that, except that I've left it far too late to start learning all that stuff now. Somewhere he'd read that in order to fight your enemy, you had to understand him; more than that, you had to become him. It had struck him as extremely profound at the time, although something a little less inspirational and a little more practical would've been even better; how to run an efficient commissariat, for example, or the basics of fortifying against artillery.

That was, of course, the problem. The Perpetual Republic had a complete monopoly of all skills, trades, sciences and crafts, except one; it had no idea how to fight a war. There hadn't been any need; not until now, when mercenaries refused to sign up for fear of the Cure Hardy and the murderous field artillery designed and built by the defector Ziani Vaatzes. So, quite unexpectedly, and far too late in life, the citizens of the Republic were straining themselves trying to learn to be soldiers, as improbable and ill-fated an enterprise as Lucao Psellus learning the smallsword, the stock and the case of rapiers. Hopeless, of course; the sheer helplessness of the situation was apparent from the fact that Guild politics had practically ground to a halt. Suddenly, nobody wanted to run or be in charge of anything, there was no opposition, no factions; just a blind, desperate consensus of goodwill, support and pitiful enthusiasm, led by the unwilling ignorant under the supreme authority of a jumped-up clerk.

A million savages under arms; well, that was what everybody was saying. The intelligence reports put the figure at a mere eight hundred thousand, including the Vadani cavalry and the Eremians. Psellus closed his eyes and tried to imagine eight hundred thousand of anything, but he couldn't. How many bees were there in a hive, or leaves in a forest? He believed in big numbers, that there could exist a million silver thalers, in the context of a budget deficit, or eight hundred thousand rivets, packed in barrels COD at Lonazep. But men, human beings, with weapons, on their way here to burn down the City… What strategic advantage did eight hundred thousand have to offer over, say, six hundred thousand? Or were numbers of that order of magnitude as much a liability as an asset? He didn't know, of course, but he knew that there were answers to that kind of question, and without that knowledge he'd soon be presiding over the fall of the Republic and the annihilation of its people.

He opened the door and said, "Hello?"

Immediately (he couldn't get used to it; like an echo, only faster) a clerk materialised, like a genie out of a bottle. Psellus took a moment to look at him, because it was like looking in a mirror. The clerk was in his fifties, bald, with wispy grey clouds over his ears, soft-chinned and stout, like a pig being fattened for bacon. It was always my ambition, Psellus reflected, to be a senior clerk in the administration office. Instead…

"Go to the library," he said, "and get out all the books you can find about military logistics."

Silent pause, long enough to count up to two. "Military…"

"Logistics." Psellus scrambled for words, gave up. "Anything called The Art of War or The Soldier's Mirror or anything with war or soldiers in the title."

The clerk looked at him as though he was mad. But Psellus was getting used to that. "And then," he went on, "I want you to read them."

The clerk said nothing. It was the sort of silence you could have built houses on.

"You may want to get someone to help you with that," Psellus continued. "Anyway, read them, and I want you to make an epitome with references, anything to do with supplying an army-food and hay and boots and so on-how much of everything you need per day, and how much it costs, and how you get it to the soldiers in the field; carts and roads and changes of draught horses-I'm sure you've got the idea. On my desk by tomorrow evening, please."

The clerk gave him a horrified stare, as though he'd just been ordered to eat his grandfather. Psellus knew that look, too. He'd worn it often enough himself. "Get as many people on it as you need," he added, because he knew the clerk would like that. Being allowed to order his fellow clerks around would go some way towards making up for the bizarre and unnatural nature of the assignment. Which reminded him. "I'm sorry," he said. "I don't think I know your name."

The clerk hesitated, then said, "Catorzes. Simuo Catorzes."

Psellus nodded, as if to signify that that was indeed the answer he'd been looking for. "I'm appointing you as my research assistant. My chief research assistant. Do you think you'll be up to the job?"

Catorzes hesitated again, then nodded grimly. "Of course," he said; then, almost reluctantly, "Thank you. I'll, um, do my best."

"I'm sure you will."

There, he thought, as he sat down again at his desk, I've done something. Quite possibly something useful, although that remains to be seen. Have we actually got any books about fighting wars? Yes, we must have, because the Copyists' Guild copies and binds all the books in the known world for export, though we never actually read them ourselves, and I'm sure we must keep copies, if only out of habit. Of course, there's no guarantee that any of the books is any good; probably they're just collections of bits copied out of other books copied out of other books by men who've never been in a battle in their lives. But real princes buy them from us, so they must have something in them, if only…

He looked down at his hands; ten soft brown worms attached to two flat cakes of putty. I must cope, he told himself. I must find a way of coping, because there's nobody else but me. I know I'm not fit to be in charge of a war, I know I'm hopelessly ignorant and not particularly clever. But unless I find a way of coping, a million savages will come and break open the city like a crabshell and pick us all out like shreds of meat; and war can't be all that difficult if a lot of bone-headed princes can do it, surely.

He glanced up at the opposite wall, where the clock stood. It was a Pattern Fifty-Seven, the best specification of all, guaranteed accurate to within an hour a year if properly sited and maintained. If the City fell, of course, there would be no more clocks, because nobody else in the whole wide world knew how to make them. How long, he wondered, would it take for the clock to be reinvented, and how long after that before anybody was skilled enough to build a clock up to the standards of a Pattern Fifty-Seven? A thousand years, possibly; or never. If we die, everything dies with us…

No, he reflected, not quite. If Valens and the savages come and the walls are breached and we're slaughtered like ants in a crack between flagstones, there'll still be one of us left. Ziani Vaatzes could build a clock, if he wanted to and he set his mind to it. Ziani Vaatzes, the abominator, our greatest enemy and civilisation's only hope.

He thought about Vaatzes; studying him so intensely for so long, finally meeting him in the empty streets of Civitas Vadanis. To the best of his knowledge, Psellus had never been in love; but if he had to imagine what love must be like, his nearest reference would be how he felt about Ziani Vaatzes, the supreme enemy. Which was strange, and more than a little disturbing, since Vaatzes was to blame for everything. He'd brought the war here, like a man carrying the plague-infected, a victim and also a predator, a weapon, an enemy. Under other circumstances, Psellus liked to believe, they'd have been friends, good friends (which was, of course, absurd, since a ranking Guild official would never condescend to mix with manual workers, outside of circumstances that in themselves precluded any possibility of friendship). Perhaps it's because I'm so isolated from ordinary people that the only one I ever bothered to try and understand fascinates me so. In which case, I'm even more pathetic than I ever imagined.

Be that as it may; the clock told him it was a few minutes to noon, at which time he was due to meet with the Strategy and Tactics Committee to discuss the progress of the war…

"I can't help thinking," he told them, and they just looked at him, as they always did, "that we might as well be logs meeting in the grate to discuss the fire." He paused. They were waiting for him to say something-anything-they could possibly construe as coherent. "Siano, you're in charge of intelligence. Where are they now?"

Siano Bossas, Drapers' Guild; a closed box of a man, with the biggest feet Psellus had ever seen in his life. "According to our contacts in Jasca, they crossed the Redwater two days ago, which puts them somewhere between Lopa and Boc Polizan." He paused, well aware that Psellus didn't have a clue where the Redwater, Lopa or Boc Polizan were. Neither, Psellus suspected, did Siano Bossas.

Psellus nodded gravely. "Gould somebody please go out to the front office and fetch in the map? I had one drawn," he explained. "There didn't seem to be one that showed all the places you've been telling me about, I suppose they hadn't been built yet when the specifications for the maps were drawn up, so they couldn't officially exist. Strictly speaking, I suppose that means I've committed an abomination, but never mind. We really ought to know where all these places are, don't you think?"

It wasn't a very good map, by Guild standards. The calligraphy was poor, and it wasn't even coloured in. But it did show Lopa, Boc Polizan and the Redwater, and if it was drawn to anything like scale…

"Nine days," Psellus said, after he'd put down his dividers. "In theory," he added. "But I don't suppose they'll actually be here in nine days, because of lines of supply and things like that. It'd help," he added mildly, "if we knew where they were getting their food and forage from." He bent his head and looked at the map. "Does anybody know anything about this countryside here? I mean, is it farmland or moor or heath or what?" He waited for a moment or so, then added, "Someone must know, surely."

Apparently, nobody did. Psellus straightened his back and looked round at the empty faces surrounding him. "Fine," he said. "Now, I've ordered a study of military logistics, which I hope will tell us what we need to know about how armies are fed and supplied. What I'd like you to do for me is find out everything you can about the country between there"-he prodded at the map-" and the City. I want to know whether they can feed themselves with what they can find and steal as they go along, or whether they need to carry their supplies in carts from somewhere else. Also, it'd be helpful to know something about the roads, that sort of thing. Also, it's really no good at all relying on little bits and pieces of news we get from carters and carriers. We need proper scouts to observe their movements and report back. Can someone see to that, please?" No volunteers; he looked round and chose someone at random. "Feria, that can be your job. Now then, what else?"

Slowly and painfully, like a snail climbing a wall, he led and dragged them through food reserves, materiel procurement, finance, the condition of the City walls, recruitment and basic training; things he'd heard about, mostly, without really knowing what they meant, so that he had to reconstruct them from first principles as he went along. It was like trying to read and understand a book whose pages had all been lost, so that all he had to go on was the list of contents.

"Arms and munitions production," he said at last, and he could sense the relief, since finally they'd reached a subject they all understood. "I'd like one of you to be my permanent liaison with the ordnance factory; Galeazo, you know the setup there as well as anybody. Do you think you could get me copies of the production schedules, so we can be sure they're making the right quantities of the right things. Wall-mounted artillery's an obvious priority, but we're also going to have to kit out a large number of infantry in a hurry, as soon as Lanuo here has recruited them for us. You'll need to talk to the Tailors and Clothiers as well, boots and helmet linings and padded jackets-what's the word, gambesons; those things you wear under your armour to cushion the blows. I know we used to make them for export, it's just a matter of getting everything up together so every helmet we issue's got a lining to go with it. Just common sense, really."

As he spoke, he thought: this is hopeless. We don't know what we're doing, and they're all desperate to leave it up to me; only because they're afraid, but that doesn't really make it any better. The fact is, we can't, I can't fight a war against eight hundred thousand men, any more than I can build a Fifty-Seven clock or a water-mill. We don't have a specification for a war, and there isn't enough time to write one.

The meeting ended and they left, as quickly as possible without being ostentatiously anxious to escape. When they'd gone, Psellus sat for a long time, staring out of the window. He had the best view in the Guildhall: the grounds, with the formal gardens in the middle, surrounded by the cloister gardens, each with its own fountain and arbor. It wasn't beautiful, in any meaningful sense, but there again, it wasn't supposed to be.

Very well, then, he decided. I don't know about war and I can't fight eight hundred thousand men. But I know Ziani Vaatzes and I can fight one man, and maybe that's all I need to do. Simuo Catorzes handed in his summary on time. It covered both sides of twelve sheets of charter paper, was copiously annotated with references to the source material, and would probably have been exactly what Psellus wanted if the handwriting had been legible..

"Excellent," he said. "Now, could you please take it away and get someone else to copy it out again?"

Psellus spent an hour reading a report he didn't understand about proposed reforms of fiscal policy, then left his office, walked down three flights of stairs and several hundred yards of corridor, and eventually found the library.

He'd never been in there before, of course. No need. Ever since he'd passed the professional examinations and qualified for the clerical grade, he'd spent his life reading, but could still count on his fingers the number of actual books he'd had occasion to open in the course of his work. He stood in the doorway for a moment and stared, like a man on a cloudless night looking up at the stars.

He'd checked the regulations. Every book acquired by the Copyists for the purposes of publication reverted to the Guildhall library after they'd finished with it. The room-if it was laid down to grass, it would easily graze two milking cows and their calves for a week-was lined with shelves that reached up from floor to ceiling, and every shelf was full. In accordance with Guild policy, every book was the same height, and identically bound, with the title written in tiny lettering at the base of the spine. The only thing like it that Psellus had ever seen was the review of troops, just before the army left for Eremia.

At the far end, under a long, thin window, was a desk, behind which a small man sat on a tall backless stool. The sunlight glowed on his bald head.

"Excuse me," Psellus asked him. "Are you the librarian?"

The bald man looked at him. "Have you got an appointment?"

"My name is Lucao Psellus."

The librarian's eyes widened a little. "How can I help you?"

"I'm looking for…" A book, he nearly said. "I need to see everything you've got on the fortification of cities against artillery."

The librarian breathed out slowly through his nose. "I'll have to look in the general catalogue," he said. "If you'll bear with me for a moment."

He hopped down off his stool like a sparrow and walked quickly to a table on which rested a single enormous book; each page as wide as an arm, as tall as a leg. "There was a clerk in here a day or so ago," the librarian said. "He was looking for military books." Something in his tone of voice suggested that military books ranked about equal in his estimation with pornography. "With any luck-ah yes. Case 104, shelf twelve. If you'd care to follow me."

Psellus found the click his heels made on the wooden floor embarrassing, and he tried walking on the sides of his feet. It helped, a little. "Case 104," the librarian announced proudly, like an explorer on a mountaintop. "Shelf twelve." He looked up, counting under his breath, then put his foot on the bottom shelf, reached up and started to climb, each shelf a rung. The bookcase trembled under his weight.

"Fortification," he said, and hung for a moment by his left hand as he picked a book off a shelf, clamped it between his teeth and clam-bered down backwards. He wiped a drop of spittle off the cover with his sleeve before handing it over.

"Thank you," Psellus said. "Is that all?"

The librarian looked at him as though he didn't understand the question. "Was there something else you wanted?" he asked.

Psellus shook his head. "Is it all right if I take this with me?" he said. "I may need to hold on to it for quite some time."

The librarian took a moment or so to reply. "Of course," he said, in a rather tight voice. "I'll make a note."

For some reason, Psellus couldn't bring himself to open the book or even look at the spine until he was back in his office; even there, he had to resist an urge to wedge a chair against the door. He cleared space on his desk, then peered at the writing on the white pasted-on label:

Varus Paterculus

Psellus frowned. A Vadani name. The book creaked loudly as he opened it and turned to the title page, where he could find the date when it was acquired and copied. A little mental arithmetic. The book was two hundred and seven years old.

Well, he thought. On the other hand, we have nothing else. He turned to the first page: a dedication, in Mannerist dactylic pentameters. He skipped all that.

Of the various kinds of artillery; in particular, the various types of engine used by the Perpetual Republic of Mezentia.

Psellus smiled. Ah, he thought, Specification. Military technology was the one exception to the Republic's most inflexible rule. Even so, the siege engines (drawn to scale in meticulous detail, with numbered parts) were essentially the same as the ones he'd seen on the walls a week ago, when he'd made a rather self-conscious tour of inspection. Whoever Varus Paterculus was, he had an excellent eye. After scanning a couple of pages, Psellus reluctantly skipped the rest of the chapter, and moved on to:

Of the various devices whereby a city may be defended from the said engines.

He tried to read on, but he couldn't. The diagrams, he assumed, were supposed to represent fortified cities, seen from the air; but they made no sense. On each page was a shape; abstract, symmetrical, perfect. The simplest were like ornate, many-pointed stars. Others were like gears from some extraordinarily sophisticated machine, or blades for a circular saw designed to cut through some desperately resilient material, or frost patterns on a pane of glass. After staring at a dozen or so, Psellus leafed forward until he found text.

The explanation helped, though not much. The basic theory was that a city under siege needed to be protected against siege engines and sappers. A plain, straight wall meant that the defenders' engines and archers had a very limited arc in which they could shoot down at the enemy, who would be safe in any event once they reached the foot of the wall. To give the defenders a better field of fire, it was desirable to build projections at regular intervals. The simplest ones were triangular, like the teeth of a saw. These offered opportunities to shoot straight ahead, and also sideways, at attackers venturing into the V-shaped gaps between the projections. Faced with these, however, the attacker would inevitably react by digging trenches, zigzagging across the open ground in front of the city like a mountain path, so that his army could approach the walls in safety. This could be countered by making the shape of the projections more elaborate. Instead of a simple V offering only three directions to shoot in, the defender's mantlets and ravelins (the terms weren't explained) should be pentagonal or hexagonal, multifaceted as a jewel, so that wherever the enemy led his trench, one face of the defensive works should always be in line with it and able to shoot down into it. Furthermore, since a determined attacker with plentiful manpower would sooner or later over-run or undermine even the best defence, there should be two, three, or even four concentric rings of fortification, banked up on mantlets and toothed with ravelins so that the inner rings could harass any assault on the outer rings by shooting over the lower defenders' heads. The best material for building such works was not stone, which shattered under the impact of heavy missiles, but sand and soft earth turfed over and retained inside simple shells of treble-skinned brick; such defences being capable of withstanding intense bombardment without shattering, and also frustrating the sapper, since an attempt at undermining would simply result in a fall of earth that would stop up and smother the sap…

Psellus closed the book. Sooner or later-sooner, he was very much afraid-he'd have to open it again, and try and wrap his feeble mind around it. But not now. More than anybody else in Mezentia, he flattered himself, he knew his own limitations. If he tried to read any more, the tremendous weight of information would cave in on him and bury him, like the wretched sappers… Well, he said to himself, I asked a question. I can't really complain about getting an answer, even if it's so huge it'd take a hundred men a lifetime to understand it. He remembered a story he'd heard when he was a boy, about a tiny doorway in the side of a mountain that led into another world; vast plains and mountains under unlimited skies, all contained inside a little door. Closed, the book was just a flat brown thing; you could put a couple of reports on top of it and bury it completely, so you wouldn't know it was there. Open, it led to something monstrous and huge; reading it, he thought, would be an undertaking on a par with invading a large and hostile country, and once you ventured inside, there was more than a chance you'd never get out again.

He stood up, opened his door and called, "Hello."

Simuo Catorzes appeared from just out of sight. "What can I…?"

"Come in here," Psellus said. "On the desk, look."

Catorzes looked sideways at the spine of the closed book, and said nothing.

"Did you read that one?"

No words, just a nod. Then: "I didn't include it in the epitome."

"Oh." Psellus frowned. "Why not?"

A slight pause before Catorzes answered. "It's very old," he said. "Out of date."

"I don't think so," Psellus replied mildly. "I think it looks very useful."

There was resentment in Catorzes' eyes, working itself up into hatred. "If you say so," he said. "I'll add it to the-"

Psellus sighed. "No, don't bother," he said. "You've got enough to do, I'll look at it myself. But I want you to search through the books of maps; I seem to remember seeing plans of towns and cities-quite old, some of them. I want to know if anybody's ever actually built a city with all those sticking-out bits."

Catorzes smiled; just a hint of malice. "Ravelins," he said.

"Exactly, yes. What I'm getting at is, was all this stuff ever real, or is it just a lot of ideas and complicated drawings? That's the trouble with books," he added bitterly. "There's no way of knowing whether what's in them is valuable practical advice or just someone's flight of fancy." He stopped, as a strange thought struck him. "Two hundred years ago," he said. "Do you know much history?"

"Me?" Catorzes scowled, as though he'd just been accused of a particularly disgusting crime. "Well, yes, I suppose so. As much as anybody else does."

"Ah." Psellus smiled. "Probably about as much as I do, then. And it's just occurred to me that I know hardly anything about what things were like two hundred years ago. Maybe there were cities built like the ones in that book, only we don't know about them because they aren't there any more. I have an idea that the Republic fought a great many wars a few centuries ago, mopping up the little city states that used to exist hereabouts, until only Eremia and the Vadani and the Cure Doce were left. It may well be that they fortified their cities against our artillery-that's why there's pictures of our engines in the book, and details of how they work and what damage they can do." He thought for a moment, then went on: "In which case it stands to reason that either they didn't do what it says in the book, or they didn't do it well enough, or the book's just plain wrong. I guess you'd have to go out with a sextant and a ream of drawing paper and find the shapes in the grass where the old cities used to be. But we haven't got time for that, obviously." He looked up and saw that Catorzes was fidgeting. It's embarrassing, listening to your superiors talking drivel. "See if you can find those maps," he said. "And ask the Architects' if they can send me someone who knows about building walls."

A look of panic flickered in Catorzes' eyes, and Psellus felt a pang of sympathy. How would he have liked it, when he'd been a clerk, if his master had given him an order like that? "Excuse me," Catorzes said slowly, "but they'll want a bit more than that. I mean, building walls is what they all do, surely…"

"Building walls quickly."

He could sense the relief, verging on joy, that the clerk felt as he finally escaped. He envied it. More than anything in the world, he wanted to change places with him. Perhaps he could trick him-lure him into the office, slam the door, lock it and run away, leaving poor Catorzes to rule the Republic. That wouldn't work, of course.

Nine days. The Cure Doce ambassador was a small, wiry man with short white hair, enormous hands and a nose like a wedge. As soon as Psellus walked into the room he jumped up, as though the door was a sear that tripped the catch that held him in his seat. He spoke in snips, like a man cutting foil.

"Thank you for seeing me on such short notice," he said. "Time, obviously…"

Psellus nodded vaguely. "Quite," he said. "They tell me-please, sit down-they tell me the savages are nine days' ride from here. Time is therefore very much on my mind at the moment." He sat down and wondered, as he always did when he had to conduct meetings with important people, what the hell he was supposed to do with his hands. He could fold them in front of him on the table, but that implied a level of briskness that he didn't really feel capable of. And the only alternative was just to let them hang from his wrists, like coats in a cupboard. "If you have any suggestions to make, I'd be delighted to hear them."

The ambassador nodded, and folded his hands on the table. "My understanding," he said, "is that at the moment you have no effective field army. Is that correct?"

Psellus smiled. "Yes."

Perhaps the ambassador hadn't been expecting a one-word answer. He flinched, as though Psellus had just said something rude. "We can offer you twelve thousand archers, eight thousand men-at-arms and eleven hundred heavy cavalry," he said. "We've already taken the precaution of mustering them at Liancor…"

"Where's that?"

Another rude word, apparently. The ambassador took a moment to recover, then said, "It's the closest point on our side to the road the savages are likely to take. We've mobilised simply as a precaution, to discourage them from trespassing on our territory." He smiled. "We have no quarrel of our own with either the Vadani or the savages. However…" He snatched a little breath, and Psellus thought: Ah. He's about to lie to me. "However, we feel that it would be impossible, ethically speaking, for us to stand idly by and watch while the savages over-run and destroy a great city crammed with helpless civilians, women and children. We are prepared to help you…"

"Thank you."

The ambassador looked like a man trying to wrestle with an opponent made entirely out of water; there was nothing to get hold of, and it kept slipping away unexpectedly. "Provided," he went on, "that you in turn recognise the nature of the commitment we're making to you, and undertake to bear it in mind when the post-war balance of power comes to be reassessed. For a long time now, we've been actively seeking a closer relationship with the Republic, a relationship which you have hitherto seemed less than eager to pursue. We feel-"

"Excuse me." Psellus held up his hand (nice to find a use for it at last). "I'm very new at this, and I'm afraid I don't speak the language very well. You've probably heard I didn't want the job, I'm really not capable of doing it, by any stretch of the imagination, and I still don't quite understand how I came to be given it. One minute they were going to execute me, the next… well, here I am." He shook his head sadly. "But there we are, it's done and can't be helped, and now it's all on my shoulders, whether I like it or not." He looked up. "You don't mind me telling you all that, do you?"

The ambassador was staring at him. "No, of course not. Your frankness is-"

"The thing is," Psellus went on, looking over the ambassador's shoulder at a mark on the wall, "I really do have to find a way of saving the City, because nobody else is willing or able, and so if I don't do it-well, it's not something that bears thinking about. So, I've got to manage it somehow, but I don't know the first thing about diplomacy, so I'm not even going to try. I'm going to ask you to bear with me while I do the best I can. Is that all right?"

The ambassador nodded. He seemed to be having trouble finding any words.

"Thank you," Psellus said. "This is how I think matters stand, and perhaps you'll be kind enough to tell me if I've got it all disastrously wrong. Now then. Like me, you can't really bring yourself to believe that the savages will be able to take the City, even though there's a quite ridiculously huge number of them, and they've got the abominator Vaatzes helping them, which means if they haven't already built siege engines as good as the ones we make, they'll do so pretty soon. No; you look at our walls and the City gates, and you think-just as I used to do-there's no power on earth that could ever crack that particular nut, engines or no engines." He paused to draw breath, then went on, "But you know that we haven't got any proper soldiers any more; we have no army of our own, and so many mercenaries got killed fighting the Eremians and the Vadani that they simply don't want to work for us any more, especially now the savages have found a way of crossing the desert and have joined up with our enemies. You believe-quite rightly, of course-that we're terrified, feeling helpless, we don't know what to do, and so we'd be willing to pay anything and make any concessions you'd care to name in return for the loan of your army, just to make us feel a little bit safer until we've had a chance to pull ourselves together and figure out how we're going to defend our city." He paused again, smiled meekly and asked, "Is that about right, or have I misunderstood you entirely?"

"That's about right," the ambassador said.

"Splendid, I'm glad about that. It's so important that people tell me when I make mistakes, or how will I ever learn? Anyway; I'm sure you know much more about fighting wars than any of us do, so you must've assessed the position and decided that the advantages-the concessions you can screw out of us while we're on our knees like this-outweigh the rather dreadful risk you're running, picking a fight with a million savages. Oh, did you know that, by the way? Actually, it's closer to eight hundred thousand, when you leave out the carters and drovers and all the people in the army who don't actually fight, but that's still an awful lot. You do know; excellent. Well, of course you do, now I come to think of it; I imagine it was you who gave us the figures in the first place, because we haven't got any scouts, and who else would be out there counting?" Psellus smiled again, and continued: "Now I'm the last person to tell you that you've made a bad decision, and it's very encouraging to know you've got so much faith in us, since you know so much more about these things than we do. I still can't help thinking that in your shoes, the last thing I'd want to do is let myself get dragged into a war that's none of my business, fighting against a vast army of savages who'll wipe me off the face of the earth if they win. Still, if that's a risk you're happy to take, far be it from me to argue with you. We need you desperately, and in return you can have anything you want."

There was a long, dead silence. "Anything?"

Psellus nodded vigorously. "You name it. Money, land-you can have Eremia if we win, it's no use to us, or the Vadani silver mines if you'd prefer, it's entirely up to you. Just say what you want and I'll have a treaty drawn up. And in return, you'll lend us your army. Well?"

The ambassador took a moment to clear his throat. "Agreed," he said.

"Splendid." Psellus beamed at him. "There, we've made an alliance, and it was so much easier than I thought it'd be. When Boioannes was in charge, it used to take weeks to hammer out a treaty, and he knew a lot about diplomacy, unlike me. Now, how soon can your soldiers get here? Or…" Psellus frowned. "Here's where it gets difficult again. I don't know whether we need them here at the City, or whether they'd be more useful hindering the savages and making it hard for them to reach us. You're the expert. What do you think?"

Nothing in the ambassador's long and varied experience had prepared him for a question like that. "It's a complicated decision," he said. "On the one hand…"

"The way I see it," Psellus went on, "an army of a million people is obviously a great advantage in a battle, no doubt about it, but until you actually get to the battlefield, it's also a tremendous problem. Must be. Food and so forth, hay for the horses, clean water. Now, we've done a little research-dreadful, really, it's taken something like this to make us realise just how woefully ignorant we are about everything other than making things and selling them-and we can't see how the enemy can keep themselves fed and watered just from what they can find in the fields and villages, which means they must be having to bring in their food and so on from somewhere else. God only knows where," Psellus added with a grin. "I mean to say, you increase the population of the mountain duchies by a million, the Eremians and the Vadani could only just about feed themselves at the best of times, so it's not like there can be any huge granaries bursting at the seams with stockpiled sacks of flour. Probably some of your merchants have been trading with them-it's perfectly all right, I quite understand-but from the little I know about your people, I don't suppose that can have made much difference. No, the only source of supply I can think of is the savages' own herds of cattle-they're nomads, as I'm sure you know, that's how they live, and they must have managed to bring their cattle with them across the desert when they came. Which is fine, of course, from their point of view, except that there can't be all that much pasture in the mountains for all those hundreds of thousands of animals; and when the grass has all been eaten, and any hay that our men overlooked while they were there, they'll have to slaughter most of them before they starve; and yes, they can salt down the carcasses, but even that won't last for ever. Time, you see. They're almost as short of it as we are." Psellus stopped talking for a moment, as if thinking about something, then added, "Of course, all this stuff is just what's occurred to me while I've been thinking about it, and like I've told you already, I'm hopelessly ignorant about military matters, so I may have got it all completely wrong. But if I'm right-and if I'm not, do please say so-it seems to me that the best use we can make of your army is messing about with their lines of supply. Would you agree?"

The ambassador hesitated, as though trying to translate what he'd heard into a language he could understand. "Of course," he said. "It's the only logical-"

"Though obviously," Psellus went on, "there's a bit more to it than that. The last thing we want to do is make them come here before we've done what we can to get ready for them. If your soldiers were to drive off all their cattle, it could force them to attack us straight away, simply because the only reserve of food large enough to feed them and close enough to be any use is what we've got here-though I think you ought to know, we're not exactly well provided for in that department ourselves. Of course, I've made arrangements for every ship we can buy or hire to bring in as much food as possible from across the sea-the old country won't send us soldiers any more, but they're still happy to sell us wheat, thank goodness-but it's all got to come in through Lonazep, and I understand it's absolute chaos there at the moment. Still, they probably don't know that, and if they do, it's not as though they'd have a choice, if we somehow contrived to run off all their livestock. So, we don't want to leave them starving. We just want to slow them right down, so we've got time to build up our walls and get in as much food as we can for a long siege. That's our best chance, I reckon. If it's a matter of who starves first, I think we can win. If it comes to fighting, we might as well not bother." Psellus breathed out (he still wasn't used to talking uninterrupted for so long), then added, "Do you think I'm on the right lines here, or have I got it all wrong? Really, I'd value your opinion. It's been such a worry, trying to learn all this very difficult stuff in such a tearing hurry. It'd be a relief if an expert like yourself can reassure me I haven't made a dreadful mess of it all."

The ambassador looked at him warily for a while, then said, "Can I ask you what you did before all this?"

"I was a clerk."