And in the late afternoon the path widened and came out of the reeds, and Will saw the town ahead of him, and beyond it an expanse of water so broad it might have been a sea.

Even from some way off, Will could see that there was trouble. Puffs of smoke were erupting from beyond the roofs, followed a few seconds later by the boom of a gun.

"Balthamos," he said, "you'll have to be a daemon again. Just keep near me and watch out for danger."

He walked into the outskirts of the scruffy little town, where the buildings leaned even more perilously than the village, and where the flooding had left its mud stains on the walls high above Will's head. The edge of the town was deserted, but as he made his way toward the river, the noise of shouting, of screams, and of the crackle of rifle fire got louder.

And here at last there were people: some watching from upper-floor windows, some craning anxiously around the corners of buildings to look ahead at the waterfront, where the metal fingers of cranes and derricks and the masts of big vessels rose above the rooftops.

An explosion shook the walls, and glass fell out of a nearby window. People drew back and then peered around again, and more cries rose into the smoky air.

Will reached the corner of the street and looked along the waterfront. When the smoke and dust cleared a little, he saw one rusting vessel standing offshore, keeping its place against the flow of the river, and on the wharf a mob of people armed with rifles or pistols surrounding a great gun, which, as he watched, boomed again. A flash of fire, a lurching recoil, and near the vessel, a mighty splash.

Will shaded his eyes. There were figures in the boat, but-he rubbed his eyes, even though he knew what to expect-they weren't human. They were huge beings of metal, or creatures in heavy armor, and on the foredeck of the vessel, a bright flower of flame suddenly bloomed, and the people cried out in alarm. The flame sped into the air, rising higher and coming closer and shedding sparks and smoke, and then fell with a great splash of fire near the gun. Men cried and scattered, and some ran in flames to the water's edge and plunged in, to be swept along and out of sight in the current.

Will found a man close by who looked like a teacher, and said: "Do you speak English?"

"Yes, yes, indeed-"

"What is happening?"

"The bears, they are attacking, and we try to fight them, but it is difficult, we have only one gun, and-"

The fire thrower on the boat hurled another gout of blazing pitch, and this time it landed even closer to the gun. Three big explosions almost immediately afterward showed that it had found the ammunition, and the gunners leapt away, letting the barrel swing down low.

"Ah," the man lamented, "it's no good, they can't fire-"

The commander of the boat brought the vessel's head around and moved in toward the shore. Many people cried out in alarm and despair, especially when another great bulb of flame burst into being on the foredeck, and some of those with rifles fired a shot or two and turned to flee; but this time the bears didn't launch the fire, and soon the vessel moved broadside on toward the wharf, engine beating hard to hold it against the current.

Two sailors (human, not bears) leapt down to throw ropes around the bollards, and a great hiss and cry of anger rose from the townsfolk at these human traitors. The sailors took no notice, but ran to lower a gangplank.

Then as they turned to go back on board, a shot was fired from somewhere near Will, and one of the sailors fell. His daemon-a seagull-vanished as if she'd been pinched out of existence like a candle flame.

The reaction from the bears was pure fury. At once the fire thrower was relit and hauled around to face the shore, and the mass of flame shot upward and then cascaded in a hundred spilling gouts over the rooftops. And at the top of the gangway appeared a bear larger than any of the others, an apparition of ironclad might, and the bullets that rained on him whined and clanged and thudded uselessly, unable to make the slightest dent in his massive armor.

Will said to the man beside him, "Why are they attacking the town?"

"They want fuel. But we have no dealings with bears. Now they are leaving their kingdom and sailing up the river, who knows what they will do? So we must fight them. Pirates-robbers-"

The great bear had come down the gangway, and massed behind him were several others, so heavy that the ship listed; and Will saw that the men on the wharf had gone back to the gun and were loading a shell into the breech.

An idea came, and he ran out onto the quayside, right into the empty space between the gunners and the bear.

"Stop!" he shouted. "Stop fighting. Let me speak to the bear!"

There was a sudden lull, and everyone stood still, astonished at this crazy behavior. The bear himself, who had been gathering his strength to charge the gunners, stayed where he was, but every line of his body trembled with ferocity. His great claws dug into the ground, and his black eyes glowed with rage under the iron helmet.

"What are you? What do you want?" he roared in English, since Will had spoken in that language.

The people watching looked at one another in bewilderment, and those who could understand translated for the others.

"I'll fight you, in single combat," cried Will, "and if you give way, then the fighting has to stop."

The bear didn't move. As for the people, as soon as they understood what Will was saying, they shouted and jeered and hooted with mocking laughter. But not for long, because Will turned to face the crowd, and stood cold-eyed, contained, and perfectly still, until the laughter stopped. He could feel the blackbird-Balthamos trembling on his shoulder.

When the people were silent, he called out, "If I make the bear give way, you must agree to sell them fuel. Then they'll go on along the river and leave you alone. You must agree. If you don't, they'll destroy all of you."

He knew that the huge bear was only a few yards behind him, but he didn't turn; he watched the townspeople talking, gesticulating, arguing, and after a minute, a voice called, "Boy! Make the bear agree!"

Will turned back. He swallowed hard and took a deep breath and called: "Bear! You must agree. If you give way to me, the fighting has to stop, and you can buy fuel and go peacefully up the river."

"Impossible," roared the bear. "It would be shameful to fight you. You are as weak as an oyster out of its shell. I cannot fight you."

"I agree," said Will, and every scrap of his attention was now focused on this great ferocious being in front of him. "It's not a fair contest at all. You have all that armor, and I have none. You could take off my head with one sweep of your paw. Make it fairer, then. Give me one piece of your armor, any one you like. Your helmet, for example. Then we'll be better matched, and it'll be no shame to fight me."

With a snarl that expressed hatred, rage, and scorn, the bear reached up with a great claw and unhooked the chain that held his helmet in place.

And now there was a deep hush over the whole waterfront. No one spoke-no one moved. They could tell that something was happening such as they'd never seen before, and they couldn't tell what it was. The only sound now was the splashing of the river against the wooden pilings, the beat of the ship's engine, and the restless crying of seagulls overhead; and then the great clang as the bear hurled his helmet down at Will's feet.

Will put his rucksack down and hoisted the helmet up on its end. He could barely lift it. It consisted of a single sheet of iron, dark and dented, with eyeholes on top and a massive chain underneath. It was as long as Will's forearm, and as thick as his thumb.

"So this is your armor," he said. "Well, it doesn't look very strong to me. I don't know if I can trust it. Let me see."

And he took the knife from the rucksack and rested the edge against the front of the helmet, and sliced off a corner as if he were cutting butter.

"That's what I thought," he said, and cut another and another, reducing the massive thing to a pile of fragments in less than a minute. He stood up and held out a handful.

"That was your armor," he said, and dropped the pieces with a clatter onto the rest at his feet, "and this is my knife. And since your helmet was no good to me, I'll have to fight without it. Are you ready, bear? I think we're well matched. I could take off your head with one sweep of my knife, after all."

Utter stillness. The bear's black eyes glowed like pitch, and Will felt a drop of sweat trickle down his spine.

Then the bear's head moved. He shook it and took a step backward.

"Too strong a weapon," he said. "I can't fight that. Boy, you win."

Will knew that a second later the people would cheer and hoot and whistle, so even before the bear had finished saying the word win, win, Will had begun to turn and call out, to keep them quiet: Will had begun to turn and call out, to keep them quiet: "Now you must keep the bargain. Look after the wounded people and start repairing the buildings. Then let the boat tie up and refuel."

He knew that it would take a minute to translate that and let the message spread out among the watching townsfolk, and he knew, too, that the delay would prevent their relief and anger from bursting out, as a net of sandbanks baffles and breaks up the flow of a river. The bear watched and saw what he was doing and why, and understood more fully than Will himself did what the boy had achieved.

Will put the knife back in the rucksack, and he and the bear exchanged another glance, but a different kind this time. They approached, and behind them as the bears began to dismantle their fire thrower, the other two ships maneuvered their way to the quayside.

Onshore some of the people set about clearing up, but several more came crowding to see Will, curious about this boy and the power he had to command the bear. It was time for Will to become inconspicuous again, so he performed the magic that had deflected all kinds of curiosity away from his mother and kept them safe for years. Of course it wasn't magic, but simply a way of behaving. He made himself quiet and dull-eyed and slow, and in under a minute he became less interesting, less attractive to human attention. The people simply became bored with this dull child, and forgot him and turned away.

But the bear's attention was not human, and he could see what was happening, and he knew it was yet another extraordinary power at Will's command. He came close and spoke quietly, in a voice that seemed to throb as deeply as the ship's engines.

"What is your name?" he said.

"Will Parry. Can you make another helmet?"

"Yes. What do you seek?"

"You're going up the river. I want to come with you. I'm going to the mountains and this is the quickest way. Will you take me?"

"Yes. I want to see that knife."

"I will only show it to a bear I can trust. There is one bear I've heard of who's trustworthy. He is the king of the bears, a good friend of the girl I'm going to the mountains to find. Her name is Lyra Silvertongue. The bear is called Iorek Byrnison."

"I am Iorek Byrnison," said the bear.

"I know you are," said Will.

The boat was taking fuel on board; the railcars were hauled alongside and tilted sideways to let coal thunder down the chutes into the hold, and the black dust rose high above them. Unnoticed by the townspeople, who were busy sweeping up glass and haggling over the price of the fuel, Will followed the bear-king up the gangway and aboard the ship.

NINE.

UPRIVER.

A shade upon the mind there passes As when on Noon A Cloud the mighty Sun encloses ... EMILY DICKINSON "Let me see the knife," said Iorek Byrnison. "I understand metal. Nothing made of iron or steel is a mystery to a bear. But I have never seen a knife like yours, and I would be glad to look at it closely."

Will and the bear-king were on the foredeck of the river steamer, in the warm rays of the setting sun, and the vessel was making swift progress upstream; there was plenty of fuel on board, there was food that Will could eat, and he and Iorek Byrnison were taking their second measure of each other. They had taken the first already.

Will held out the knife toward Iorek, handle first, and the bear took it from him delicately. His thumb claw opposed the four finger claws, letting him manipulate objects as skillfully as a human, and now he turned the knife this way and that, bringing it closely to his eyes, holding it to catch the light, testing the edge-the steel edge-on a piece of scrap iron.

"This edge is the one you cut my armor with," he said. "The other is very strange. I cannot tell what it is, what it will do, how it was made. But I want to understand it. How did you come to possess it?"

Will told him most of what had happened, leaving out only what concerned him alone: his mother, the man he killed, his father.

"You fought for this, and lost two fingers?" the bear said. "Show me the wound."

Will held out his hand. Thanks to his father's ointment, the raw surfaces were healing well, but they were still very tender. The bear sniffed at them.

"Bloodmoss," he said. "And something else I cannot identify. Who gave you that?"

"A man who told me what I should do with the knife. Then he died. He had some ointment in a horn box, and it cured my wound. The witches tried, but their spell didn't work."

"And what did he tell you to do with the knife?" said Iorek Byrnison, handing it carefully back to Will.

"To use it in a war on the side of Lord Asriel," Will replied. "But first I must rescue Lyra Silvertongue."

"Then we shall help," said the bear, and Will's heart leapt with pleasure.

Over the next few days Will learned why the bears were making this voyage into Central Asia, so far from their homeland.

Since the catastrophe that had burst the worlds open, all the Arctic ice had begun to melt, and new and strange currents appeared in the water. Since the bears depended on ice and on the creatures who lived in the cold sea, they could see that they would soon starve if they stayed where they were; and being rational, they decided how they should respond. They would have to migrate to where there was snow and ice in plenty: they would go to the highest mountains, to the range that touched the sky, half a world away but unshakable, eternal, and deep in snow. From bears of the sea they would become bears of the mountains, for as long as it took the world to settle itself again.

"So you're not making war?" Will said.

"Our old enemies vanished with the seals and the walruses. If we meet new ones, we know how to fight."

"I thought there was a great war coming that would involve everyone. Which side would you fight for in that case?"

"The side that gave advantage to the bears. What else? But I have some regard for a few among humans. One was a man who flew a balloon. He is dead. The other is the witch Serafina Pekkala. The third is the child Lyra Silvertongue. First, I would do whatever serves the bears. Second, whatever serves the child, or the witch, or avenges my dead comrade Lee Scoresby. That is why I will help you rescue Lyra Silvertongue from the abominable woman Coulter."

He told Will of how he and a few of his subjects had swum to the river mouth and paid for the charter of this vessel with gold, and hired the crew, and turned the draining of the Arctic to their own advantage by letting the river take them as far inland as it could-and as it had its source in the northern foothills of the very mountains they sought, and as Lyra was imprisoned there, too, things had fallen out well so far.

So time went past.

During the day Will dozed on deck, resting, gathering strength, because he was exhausted in every part of his being. He watched as the scenery began to change, and the rolling steppe gave way to low grassy hills and then to higher land, with the occasional gorge or cataract; and still the boat steamed south.

He talked to the captain and the crew, out of politeness, but lacking Lyra's instant ease with strangers, he found it difficult to think of much to say; and in any case they were little interested in him. This was only a job, and when it was over they would leave without a backward glance, and besides, they didn't much like the bears, for all their gold. Will was a foreigner, and as long as he paid for his food, they cared little what he did. Besides, there was that strange daemon of his, which seemed so like a witch's: sometimes it was there, and sometimes it seemed to have vanished. Superstitious, like many sailors, they were happy to leave him alone.

Balthamos, for his part, kept quiet, too. Sometimes his grief would become too strong for him to put up with, and he'd leave the boat and fly high among the clouds, searching for any patch of light or taste of air, any shooting stars or pressure ridges that might remind him of experiences he had shared with Baruch. When he talked, at night in the dark of the little cabin Will slept in, it was only to report on how far they had gone, and how much farther ahead the cave and the valley lay. Perhaps he thought Will had little sympathy, though if he'd sought it, he would have found plenty. He became more and more curt and formal, though never sarcastic; he kept that promise, at least.

As for Iorek, he examined the knife obsessively. He looked at it for hours, testing both edges, flexing it, holding it up to the light, touching it with his tongue, sniffing it, and even listening to the sound the air made as it flowed over the surface. Will had no fear for the knife, because Iorek was clearly a craftsman of the highest accomplishment; nor for Iorek himself, because of the delicacy of movement in those mighty paws.

Finally Iorek came to Will and said, "This other edge. It does something you have not told me about. What is it, and how does it work?"

"I can't show you here," said Will, "because the boat is moving. As soon as we stop, I'll show you."

"I can think of it," said the bear, "but not understand what I am thinking. It is the strangest thing I have ever seen."

And he gave it back to Will, with a disconcerting, unreadable long stare out of his deep black eyes.

The river by this time had changed color, because it was meeting the remains of the first floodwaters that had swept down out of the Arctic. The convulsions had affected the earth differently in different places, Will saw; village after village stood up to its roofs in water and hundreds of dispossessed people tried to salvage what they could with rowboats and canoes. The earth must have sunk a little here, because the river broadened and slowed, and it was hard for the skipper to trace his true course through the wide and turbid streams. The air was hotter, and the sun higher in the sky, and the bears found it hard to keep cool; some of them swam alongside as the steamer made its way, tasting their native waters in this foreign land.

But eventually the river narrowed and deepened again, and soon ahead of them began to rise the mountains of the great central Asian plateau. Will saw a rim of white on the horizon one day and watched as it grew and grew, separating itself into different peaks and ridges and passes between them, and so high that it seemed that they must be close at hand-only a few miles. But they were far off still; it was just that the mountains were immense, and with every hour that they came closer, they seemed yet more inconceivably high.

Most of the bears had never seen mountains, apart from the cliffs on their own island of Svalbard, and fell silent as they looked up at the giant ramparts, still so far off.

"What will we hunt there, Iorek Byrnison?" said one. "Are there seals in the mountains? How shall we live?"

"There is snow and ice," was the king's reply. "We shall be comfortable. And there are wild creatures there in plenty. Our lives will be different for a while. But we shall survive, and when things return to what they should be, and the Arctic freezes once more, we shall still be alive to go back and claim it. If we had stayed there, we would have starved. Be prepared for strangeness and for new ways, my bears."

Eventually the steamer could sail no farther, because at this point the riverbed had narrowed and become shallow. The skipper brought the vessel to a halt in a valley bottom that normally would have been carpeted with grass and mountain flowers, where the river would have meandered over gravel beds; but the valley was now a lake, and the captain insisted that he dared not go past it. Beyond this point, he explained, there would be not enough depth below the keel, even with the massive flood from the north.

So they drew up to the edge of the valley, where an outcrop of rock formed a sort of jetty, and disembarked.

"Where are we now?" said Will to the captain, whose English was limited.

The captain found a tattered old map and jabbed at it with his pipe, saying, "This valley here, we now. You take, go on."

"Thank you very much," Will said, and wondered if he ought to offer to pay; but the captain had turned away to supervise the unloading.