"Turn to look back at the shelter tree."

Serafina did and exclaimed again. "They did this?" she said. did this?" she said.

"Something happened today, or yesterday if it's after midnight," Mary said, trying to find the words to explain, and remembering her vision of the Dust flow as a great river like the Mississippi. "Something tiny but crucial... If you wanted to divert a mighty river into a different course, and all you had was a single pebble, you could do it, as long as you put the pebble in the right place to send the first trickle of water that that way instead of way instead of this. this. Something like that happened yesterday. I don't know what it was. They saw each other differently, or something... Until then, they hadn't felt like that, but suddenly they did. And then the Dust was attracted to them, very powerfully, and it stopped flowing the other way." Something like that happened yesterday. I don't know what it was. They saw each other differently, or something... Until then, they hadn't felt like that, but suddenly they did. And then the Dust was attracted to them, very powerfully, and it stopped flowing the other way."

"So that was how it was to happen!" said Serafina, marveling. "And now it's safe, or it will be when the angels fill the great chasm in the underworld."

She told Mary about the abyss, and about how she herself had found out.

"I was flying high," she explained, "looking for a landfall, and I met an angel: a female angel. She was very strange; she was old and young together," she went on, forgetting that that was how she herself appeared to Mary. "Her name was Xaphania. She told me many things... She said that all the history of human life has been a struggle between wisdom and stupidity. She and the rebel angels, the followers of wisdom, have always tried to open minds; the Authority and his churches have always tried to keep them closed. She gave me many examples from my world."

"I can think of many from mine."

"And for most of that time, wisdom has had to work in secret, whispering her words, moving like a spy through the humble places of the world while the courts and palaces are occupied by her enemies."

"Yes," said Mary, "I recognize that, too."

"And the struggle isn't over now, though the forces of the Kingdom have met a setback. They'll regroup under a new commander and come back strongly, and we must be ready to resist."

"But what happened to Lord Asriel?" said Mary.

"He fought the Regent of Heaven, the angel Metatron, and he wrestled him down into the abyss. Metatron is gone forever. So is Lord Asriel."

Mary caught her breath. "And Mrs. Coulter?" she said.

As an answer the witch took an arrow from her quiver. She took her time selecting it: the best, the straightest, the most perfectly balanced.

And she broke it in two.

"Once in my world," she said, "I saw that woman torturing a witch, and I swore to myself that I would send that arrow into her throat. Now I shall never do that. She sacrificed herself with Lord Asriel to fight the angel and make the world safe for Lyra. They could not have done it alone, but together they did it."

Mary, distressed, said, "How can we tell Lyra?"

"Wait until she asks," said Serafina. "And she might not. In any case, she has her symbol reader; that will tell her anything she wants to know."

They sat in silence for a while, companionably, as the stars slowly wheeled in the sky.

"Can you see ahead and guess what they'll choose to do?" said Mary.

"No, but if Lyra returns to her own world, then I will be her sister as long as she lives. What will you do?"

"I..." Mary began, and found she hadn't considered that for a moment. "I suppose I belong in my own world. Though I'll be sorry to leave this one; I've been very happy here. The happiest I've ever been in my life, I think."

"Well, if you do return home, you shall have a sister in another world," said Serafina, "and so shall I. We shall see each other again in a day or so, when the ship arrives, and we'll talk more on the voyage home; and then we'll part forever. Embrace me now, sister."

Mary did so, and Serafina Pekkala flew away on her cloud-pine branch over the reeds, over the marshes, over the mudflats and the beach, and over the sea, until Mary could see her no more.

At about the same time, one of the large blue lizards came across the body of Father Gomez. Will and Lyra had returned to the village that afternoon by a different route and hadn't seen it; the priest lay undisturbed where Balthamos had laid him. The lizards were scavengers, but they were mild and harmless creatures, and by an ancient understanding with the mulefa, mulefa, they were entitled to take any creature left dead after dark. they were entitled to take any creature left dead after dark.

The lizard dragged the priest's body back to her nest, and her children feasted very well. As for the rifle, it lay in the grass where Father Gomez had laid it down, quietly turning to rust.

THIRTY-SEVEN.

THE DUNES.

My soul, do not seek eternal life, but exhaust the realm of the possible. PINDAR Next day Will and Lyra went out by themselves again, speaking little, eager to be alone with each other. They looked dazed, as if some happy accident had robbed them of their wits; they moved slowly; their eyes were not focused on what they looked at.

They spent all day on the wide hills, and in the heat of the afternoon, they visited their gold-and-silver grove. They talked, they bathed, they ate, they kissed, they lay in a trance of happiness murmuring words whose sound was as confused as their sense, and they felt they were melting with love.

In the evening they shared the meal with Mary and Atal, saying little, and because the air was hot they thought they'd walk down to the sea, where there might be a cool breeze. They wandered along the river until they came to the wide beach, bright under the moon, where the low tide was turning.

They lay down in the soft sand at the foot of the dunes, and then they heard the first bird calling.

They both turned their heads at once, because it was a bird that sounded like no creature that belonged to the world they were in. From somewhere above in the dark came a delicate trilling song, and then another answered it from a different direction. Delighted, Will and Lyra jumped up and tried to see the singers, but all they could make out was a pair of dark skimming shapes that flew low and then darted up again, all the time singing and singing in rich, liquid bell tones an endlessly varied song.

And then, with a flutter of wings that threw up a little fountain of sand in front of him, the first bird landed a few yards away.

Lyra said, "Pan... ?"

He was formed like a dove, but his color was dark and hard to tell in the moonlight; at any rate, he showed up clearly on the white sand. The other bird still circled overhead, still singing, and then she flew down to join him: another dove, but pearl white, and with a crest of dark red feathers.

And Will knew what it was to see his daemon. As she flew down to the sand, he felt his heart tighten and release in a way he never forgot. Sixty years and more would go by, and as an old man he would still feel some sensations as bright and fresh as ever: Lyra's fingers putting the fruit between his lips under the gold-and-silver trees; her warm mouth pressing against his; his daemon being torn from his unsuspecting breast as they entered the world of the dead; and the sweet rightfulness of her coming back to him at the edge of the moonlit dunes.

Lyra made to move toward them, but Pantalaimon spoke.

"Lyra," he said, "Serafina Pekkala came to us last night. She told us all kinds of things. She's gone back to guide the gyptians here. Farder Coram's coming, and Lord Faa, and they'll be here-"

"Pan," she said, distressed, "oh, Pan, you're not happy-what is it? What is it?"

Then he changed, and flowed over the sand to her as a snow-white ermine. The other daemon changed, too-Will felt it happen, like a little grip at his heart-and became a cat.

Before she moved to him, she spoke. She said, "The witch gave me a name. I had no need of one before. She called me Kirjava. But listen, listen to us now..."

"Yes, you must listen," said Pantalaimon. "This is hard to explain."

Between them, the daemons managed to tell them everything Serafina had told them, beginning with the revelation about the children's own natures: about how, without intending it, they had become like witches in their power to separate and yet still be one being.

"But that's not all," Kirjava said.

And Pantalaimon said, "Oh, Lyra, forgive us, but we have to tell you what we found out..."

Lyra was bewildered. When had Pan ever needed forgiving? She looked at Will, and saw his puzzlement as clear as her own.

"Tell us," he said. "Don't be afraid."

"It's about Dust," said the cat daemon, and Will marveled to hear part of his own nature telling him something he didn't know. "It was all flowing away, all the Dust there was, down into the abyss that you saw. Something's stopped it flowing down there, but-"

"Will, it was that golden light!" Lyra said. "The light that all flowed into the abyss and vanished... And that was Dust? Was it really?"

"Yes. But there's more leaking out all the time," Pantalaimon went on. "And it mustn't. It mustn't all leak away. It's got to stay in the world and not vanish, because otherwise everything good will fade away and die."

"But where's the rest leaving from?" said Lyra.

Both daemons looked at Will, and at the knife.

"Every time we made an opening," said Kirjava-and again Will felt that little thrill: She's me, and I'm her-"every time anyone made an opening between the worlds, us or the old Guild men, anyone, the knife cut into the emptiness outside. The same emptiness there is down in the abyss. We never knew. No one knew, because the edge was too fine to see. But it was quite big enough for Dust to leak out of. If they closed it up again at once, there wasn't time for much to leak out, but there were thousands that they never closed up. So all this time, Dust has been leaking out of the worlds and into nothingness."

The understanding was beginning to dawn on Will and Lyra. They fought it, they pushed it away, but it was just like the gray light that seeps into the sky and extinguishes the stars: it crept past every barrier they could put up and under every blind and around the edges of every curtain they could draw against it.

"Every opening," Lyra said in a whisper.

"Every single one-they must all be closed?" said Will.

"Every single one," said Pantalaimon, whispering like Lyra.

"Oh, no," said Lyra. "No, it can't be true-"

"And so we must leave our world to stay in Lyra's," said Kirjava, "or Pan and Lyra must leave theirs and come to stay in ours. There's no other choice."

Then the full bleak daylight struck in.

And Lyra cried aloud. Pantalaimon's owl cry the night before had frightened every small creature that heard it, but it was nothing to the passionate wail that Lyra uttered now. The daemons were shocked, and Will, seeing their reaction, understood why: they didn't know the rest of the truth; they didn't know what Will and Lyra themselves had learned.

Lyra was shaking with anger and grief, striding up and down with clenched fists and turning her tear-streaming face this way and that as if looking for an answer. Will jumped up and seized her shoulders, and felt her tense and trembling.

"Listen," he said, "Lyra, listen: what did my father say?"

"Oh," she cried, tossing her head this way and that, "he said-you know what he said-you were there, Will, you listened, too!"

He thought she would die of her grief there and then. She flung herself into his arms and sobbed, clinging passionately to his shoulders, pressing her nails into his back and her face into his neck, and all he could hear was, "No-no-no..."

"Listen," he said again, "Lyra, let's try and remember it exactly. There might be a way through. There might be a loophole."

He disengaged her arms gently and made her sit down. At once Pantalaimon, frightened, flowed up onto her lap, and the cat daemon tentatively came close to Will. They hadn't touched yet, but now he put out a hand to her, and she moved her cat face against his fingers and then stepped delicately onto his lap.

"He said-" Lyra began, gulping, "he said that people could spend a little time in other worlds without being affected. They could. And we have, haven't we? Apart from what we had to do to go into the world of the dead, we're still healthy, aren't we?"

"They can spend a little time, but not a long time," Will said. "My father had been away from his world, my world, for ten years. And he was nearly dying when I found him. Ten years, that's all."

"But what about Lord Boreal? Sir Charles? He was healthy enough, wasn't he?"

"Yes, but remember, he could go back to his own world whenever he liked and get healthy again. That's where you saw him first, after all, in your world. He must have found some secret window that no one else knew about."

"Well, we could do that!"

"We could, except that..."

"All the windows must be closed," said Pantalaimon. "All of them."

"But how do you know know?" demanded Lyra.

"An angel told us," said Kirjava. "We met an angel. She told us all about that, and other things as well. It's true, Lyra."

"She?" said Lyra passionately, suspicious.

"It was a female angel," said Kirjava.

"I've never heard of one of them. Maybe she was lying."

Will was thinking through another possibility. "Suppose they closed all the other windows," he said, "and we just made one when we needed to, and went through as quickly as we could and closed it up immediately-that would be safe, surely? If we didn't leave much time for Dust to go out?"

"Yes!"

"We'd make it where no one could ever find it," he went on, "and only us two would know-"

"Oh, it would work! I'm sure it would!" she said.

"And we could go from one to the other, and stay healthy-"

But the daemons were distressed, and Kirjava was murmuring, "No, no."

And Pantalaimon said, "The Specters... She told us about the Specters, too."

"The Specters?" said Will. "We saw them during the battle, for the first time. What about them?"

"Well, we found out where they come from," said Kirjava. "And this is the worst thing: they're like the children of the abyss. Every time we open a window with the knife, it makes a Specter. It's like a little bit of the abyss that floats out and enters the world. That's why the Cittagazze world was so full of them, because of all the windows they left open there."

"And they grow by feeding on Dust," said Pantalaimon. "And on daemons. Because Dust and daemons are sort of similar; grown-up daemons anyway. And the Specters get bigger and stronger as they do..."

Will felt a dull horror at his heart, and Kirjava pressed herself against his breast, feeling it, too, and trying to comfort him.

"So every time I've I've used the knife," he said, "every single time, I've made another Specter come to life?" used the knife," he said, "every single time, I've made another Specter come to life?"

He remembered Iorek Byrnison, in the cave where he'd forged the knife again, saying, "What you don't know is what the knife does on its own. Your intentions may be good. The knife has intentions, too."

Lyra's eyes were watching him, wide with anguish.

"Oh, we can't, can't, Will!" she said. "We can't do that to people-not let other Specters out, not now we've seen what they do!" Will!" she said. "We can't do that to people-not let other Specters out, not now we've seen what they do!"

"All right," he said, getting to his feet, holding his daemon close to his breast. "Then we'll have to-one of us will have to-I'll come to your world and..."

She knew what he was going to say, and she saw him holding the beautiful, healthy daemon he hadn't even begun to know; and she thought of his mother, and she knew that he was thinking of her, too. To abandon her and live with Lyra, even for the few years they'd have together-could he do that? He might be living with Lyra, but she knew he wouldn't be able to live with himself.