Maren did not remember deciding to go aboard the drifting boat. She remembered the fog, and the bell, and the man holding out the atlas, and then she was standing on the other deck, and the wood was solid under her feet, and the man was in front of her, young and dry-eyed, in a coat that had been out of fashion for thirty years.
"Edmund Harrow," she said, and her voice sounded strange to her, too loud in the fog.
"That's right," the man said. "And you're Maren Doyle. The map restorer. I've been expecting you."
"How do you know my name?" Maren asked.
"Because the atlas told me," Edmund said. "The atlas tells me everything, eventually. It told me you would come. It told me Tomas would bring you. It told me you would stand on this deck and ask me how I know your name."
He held out the atlas. Maren took it. It was the same book — the *Atlas Mundi*, the gold stamp, the pencil note in the front — but it was not the same book, because the one in her bag was still in her bag, and this one was in her hands, and both of them were real.
"There are two," Edmund said, as if he had read her mind. "There have always been two. One for the world that is drawn, and one for the world that is not. You found the first one. I found the second one. And now you've found me."
Tomas was standing behind her, on the deck of the other boat — the real boat, or the other real boat, Maren no longer knew which was which — and he was crying, silently, the way old men cry when they have waited thirty years for something and it has finally happened.
"Edmund," Tomas said. "You haven't aged a day."
"Time doesn't work here the way it works out there," Edmund said. "That's the first thing the island teaches you. The second thing is that the maps are wrong. The third thing —" He stopped. He looked at the coastline, at the black beach, at the lit window on the cliff. "The third thing you have to learn for yourself."
He led them ashore. The fog parted for the little boat the way water parts for a stone, and the beach was black sand, fine as ash, and the air smelled of salt and something else, something green and old, like a garden that had been growing for a very long time without anyone to tend it.
They climbed the cliff path. The house was small, stone-built, with a slate roof and a single lit window, and a door that stood open, as if it had been waiting for them.
Inside, the house was a map room.
Every wall was covered in charts. Not the charts of any sea Maren knew — these were charts of the second coastline, of the sea that was not on any modern map, drawn in a hundred different hands, over a hundred different years. Maren went slowly along the walls, reading them by lamplight. A chart from 1692, in Dutch, showing the second coast with a little sea-serpent drawn in the margin, and a note: *Hier is de kust die niet bestaat.* Here is the coast that does not exist. A chart from 1811, in French, the coastline pricked through with pin-holes, as if someone had tried to erase it one dot at a time. A chart from 1934, in English, with a single red X in the middle of the empty sea, and underneath it, in pencil: *He was right. Forgive me.*
And on a table in the middle of the room, under a lamp, was a chart that was still being drawn. The ink was wet. The pen was beside it. And the hand that had been drawing it was gone.
Maren went to the table. The chart showed the island — this island — and the sea around it, and the second coastline, running away to the east and the west, farther than any eye could follow. Beside the chart was a logbook, bound in oilcloth, and Maren opened it to the last written page. The entry was dated three days ago — three days, though Edmund had been gone for thirty years — and it said, in a steady hand: *The atlas has chosen. A restorer in Lisbon has found the second coast. Her name is Maren Doyle. She will come by the old boat, with the old sailor, and she will stand where I stood, and she will choose. I have drawn her a chart. I hope it is enough.*
Maren put her hand to the page. The ink was dry. The words were hers before she had ever read them.
And in the margin, in a hand she recognized, because it was her own hand, was a line of writing:
*The island is not lost. It is waiting. It has been waiting for the one who reads the maps that are not there.*
Maren put her hand to her mouth. "I didn't write this," she said. "I've never been here before."
"You wrote it," Edmund said, "or you will write it. Time doesn't work here the way it works out there. That's the first thing the island teaches you."
Tomas was looking at the charts on the walls, and his face was white. "These are all the same sea," he said. "Every one of them. Drawn by different people, in different centuries, and they're all the same sea. The second coastline. The sea that isn't there."
"Not isn't," Edmund said. "Wasn't. The sea was erased. Not by nature, and not by accident. By men. Three hundred years ago, the men who made the maps decided that this sea did not exist, and they took it off the charts, and they burned the records, and they told the world it had never been here. And the island went along with it. It let itself be forgotten. It hid."
"Why?" Maren asked. "Why would an island hide?"
Edmund went to the window. He looked out at the sea, at the fog, at the place where the world ended and the second coastline began. "Because of what is here," he said. "Because of what the island keeps. Come and see."
He led them out of the house, and down a path behind it, to a place where the ground fell away into a hollow, and in the hollow was a spring, and around the spring was a circle of stones, and on each stone was a name, carved deep, and a date.
Maren walked the circle slowly, reading the names. They were cartographers. She knew some of them — the great names, the ones in the textbooks, the ones whose maps she had restored. A woman's name stopped her: *A. Ferreira, 1741.* Maren knew that name. Ana Ferreira had drawn the first accurate chart of the Azores, and the history books said she had died at sea, her ship lost with all hands, her work unfinished. But here was her name, carved in stone, on an island that did not exist — and beside it, a date that came after her death. She had not died at sea. She had come here. She had chosen, the way Maren was being asked to choose now.
And the dates went back three hundred years, and forward, and forward, and the last stone in the circle had no date at all.
It had her name on it.
*MAREN DOYLE.*
She stood in front of the stone for a long time, and the fog moved around her, and the bell rang under the water, and Tomas was saying something, and Edmund was saying something, and she could not hear either of them, because all she could hear was her own heart, beating very fast, in the hollow, on the island that had been erased from history.
"This is why the island let you find it," Edmund said, quietly, behind her. "It has been waiting for you. It has been waiting for the one who reads the maps that are not there. And now you are here, and the circle is complete, and there is one thing left to do."
"What?" Maren asked.
Edmund pointed at the stone. At her name. At the blank space underneath it, where the date should have been.
"You have to choose," he said. "You can go back. You can take the atlas, and the coordinates, and the charts, and you can tell the world that the second coastline is real, and the island is real, and the sea that isn't there is there. And the world will believe you, or it won't, and either way the island will be found, and it will never be able to hide again."
He paused. The bell rang under the water.
"Or you can stay," he said. "You can stay, and you can take up the pen, and you can draw the chart that is on the table, and you can become what I became, thirty years ago, when I stood where you are standing now, and I chose."
Maren looked at the stone. At her name. At the blank space underneath it.
"And if I stay?" she asked. "What happens to the world?"
"The world goes on," Edmund said. "The maps stay wrong. The sea stays empty. And the island stays hidden, for another three hundred years, or until the next one comes."
"And if I go back?"
"Then the island is found," Edmund said. "And everything changes. The maps change. The world changes. And you change, too, because you will be the woman who found the island that was erased from history, and there is no going back from that, either."
Maren looked at Tomas. He was standing at the edge of the hollow, his cap in his hands, and he was looking at her the way a man looks at someone he has waited thirty years to bring home.
She looked at Edmund. He was standing beside the stone, and he was not young anymore — the fog had lifted from his face, and she could see him as he was, a man of sixty, weathered and tired, who had been waiting thirty years for someone to take his place.
She looked at the stone. At her name. At the blank space underneath it.
And then she heard it: a sound from the sea, from the fog, from the place where the world ended. Not the bell this time. A different sound. A voice, calling her name, from the boat, from the water, from somewhere she could not see.
"Maren," the voice said. "Maren Doyle. Don't choose yet. There's something you haven't seen. There's something on the other side of the island. Something the maps never showed. Come and see it before you decide."
Edmund's face went white. "No," he said. "Not yet. She's not ready."
But Maren was already moving, down the path, toward the far side of the island, toward the voice, toward the thing the maps had never shown — and behind her, the stone with her name on it began, very slowly, to carve itself, the date appearing underneath her name, one number at a time, in the dark.
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