He waved a scrawny hand at the landscape as they rode on.

'Strange bloody country,' he said. 'Did you know there's a wall all round the Empire?'

'That's to keep... barbarian invaders... out...'

'Oh, yes, very defensive,' said Cohen sarcastically. 'Like, oh my goodness, there's a twenty-foot wall, dear me, I suppose we'd just better ride off back over a thousand miles of steppe and not, e.g., take a look at the ladder possibilities inherent in that pine wood over there. Nah. It's to keep the people in. And rules? They've got rules for everything. No-one even goes to the privy without a piece of paper.'

'Well, as a matter of fact I myself—'

'A piece of paper saying they can go, is what I meant. Can't leave your village without a chit. Can't get married without a chit. Can't even have a sh - Ah, we're here.'

'Yes, indeed,' said Rincewind.

Cohen glared at him. 'How did you know?' he demanded.

Rincewind tried to think. It had been a long day. In fact it had, because of the thaumic equivalent of jetlag, been several hours longer than most other days he'd experienced and had contained two lunchtimes, neither of which had contained anything worth eating.

'Er... I thought you were making a general philosophical point,' he hazarded. 'Er. Like, "We'd better make the best of it"?'

'I meant we're here at my hideout,' said Cohen. Rincewind stared around them. There were scrubby bushes, a few rocks, and a sheer cliff face.

'I can't see anything,' he said.

'Yep. That's how you can tell it's mine.'

Art of War was the ultimate basis of diplomacy in the Empire.

Clearly war had to exist. It was a cornerstone of the processes of government. It was the way the Empire got its leaders. The competitive examination system was how it got its bureaucrats and public officials, and warfare was for its leaders, perhaps, only a different kind of competitive examination. Admittedly, if you lost you probably weren't allowed to re-sit next year.

But there had to be rules. Otherwise it was just a barbaric scuffle.

So, hundreds of years ago, the Art of War had been formulated. It was a book of rules. Some were very specific: there was to be no fighting within the Forbidden City, the person of the Emperor was sacrosanct... and some were more general guidelines for the good and civilized conduct of warfare. There were the rules of position, of tactics, of the enforcement of discipline, of the correct organization of supply lines. The Art laid down the optimum course to take in every conceivable eventuality. It meant that warfare in the Empire had become far more sensible, and generally consisted of short periods of activity followed by long periods of people trying to find things in the index.

No-one remembered the author. Some said it was One Tzu Sung, some claimed it was Three Sun Sung. Possibly it was even some unsung genius who had penned, or rather painted, the very first principle: Know the enemy, and know yourself.

Lord Hong felt that he knew himself very well, and seldom had trouble knowing his enemies. And he made a point of keeping his enemies alive and healthy.

Take the Lords Sung, Fang, Tang and McSweeney. He cherished them. He cherished their adequacy. They had adequate military brains, which was to say that they had memorized the Five Rules and Nine Principles of the Art of War. They wrote adequate poetry, and were cunning enough to counter such coups as were attempted in their own ranks. They occasionally sent against him assassins who were sufficiently competent to keep Lord Hong interested and observant and entertained.

He even admired their adequate treachery. No-one could fail to realize that Lord Hong would be the next Emperor, but when it came to it they would nevertheless contest the throne. At least, officially. In fact, each warlord had privately pledged his personal support to Lord Hong, being adequately bright to know what was likely to happen if he didn't. There would still have to be a battle, of course, for custom's sake. But Lord Hong had a place in his heart for any leader who would sell his own men.

Know your enemy. Lord Hong had decided to find a worthwhile one. So Lord Hong had seen to it that he got books and news from Ankh-Morpork. There were ways. He had his spies. At the moment Ankh-Morpork didn't know it was the enemy, and that was the best kind of enemy to have.

And he had been amazed, and then intrigued, and finally lost in admiration for what he saw...

I should have been born there, he thought as he watched the other members of the Serene Council. Oh, for a game of chess with someone like Lord Vetinari. No doubt he would carefully watch the board for three hours before he even made his first move...

Lord Hong turned to the Serene Council's minutes eunuch.

'Can we get on?' he said.

The man licked his brush nervously. 'Nearly finished, o lord,' he said.

Lord Hong sighed.

Damn calligraphy! There would be changes! A written language of seven thousand letters and it took all day to write a thirteen-syllable poem about a white pony trotting through wild hyacinths. And that was fine and beautiful, he had to concede, and no-one did it better than Lord Hong. But Ankh-Morpork had an alphabet of twenty-six unexpressive, ugly, crude letters, suitable only for peasants and artisans... and had produced poems and plays that left white-hot trails across the soul. And you could also use it to write the bloody minutes of a five-minute meeting in less than a day.

'How far have you got?' he said.

The eunuch coughed politely.

' "How softly the bloom of the apric—" ' he began.

'Yes, yes, yes,' said Lord Hong. 'Could we on this occasion dispense with the poetic framework, please.'

'Uh. "The minutes of the last meeting were duly signed." '

'Is that all?'

'Uh... you see, I have to finish painting the petals on—'

'I wish this council to be concluded by this evening. Go away.'

The eunuch looked anxiously around the table, grabbed his scrolls and brushes and scuttled out.

'Good,' said Lord Hong. He nodded at the other warlords. He saved a special friendly nod for Lord Tang. Lord Hong had prodded the thought with some intrigued interest, but it really did seem that Lord Tang was a man of honour. It was a rather cowed and crabbed honour, but it was definitely in there somewhere, and would have to be dealt with.

'It would be better in any case, my lords, if we spoke in private,' he said. 'On the matter of the rebels. Disturbing intelligence has reached me of their activities.'

Lord McSweeney nodded. 'I have seen to it that thirty rebels in Sum Dim have been executed,' he said. 'As an example.'

As an example of the mindlessness of Lord McSweeney, thought Lord Hong. To his certain knowledge, and none had better knowledge than he, there had not even been a cadre of the Red Army in Sum Dim. But, almost certainly, there was one now. It was really too easy.

The other warlords also made small but proud speeches about their efforts to turn barely noticeable unrest into bloody revolution, although they hadn't managed to see it like that.

They were nervous, under the bravado, like sheep-dogs who'd had a glimpse of a world where the sheep did not run.

Lord Hong cherished the nervousness. He intended to use it, by and by. He smiled and smiled.

Finally he said: 'However, my lords, despite your sterling efforts the situation remains grave. I have infomation that a very senior wizard from Ankh-Morpork has arrived to assist the rebels here in Hunghung, and that there is a plot to overthrow the good organization of the celestial world and assassin-ate the Emperor, may he live for ten thousand years. I must naturally assume that the foreign devils are be-hind this.'

'I know nothing of this!' snapped Lord Tang.