“I’m coming with you,” she said, picking herself up without bothering to dust herself off.

  Jacqueline, who had been expecting this outcome, nodded and offered her hand to her sister.

  “So neither one of us gets lost,” she said.

  Jillian nodded, and took her sister’s hand, and together they walked down, down, down into the dark.

  The trunk waited until they were too far down to hear before it swung closed, shutting them in, shutting the old world out. Neither of the girls noticed. They just kept on descending.

  * * *

  SOME ADVENTURES BEGIN EASILY. It is not hard, after all, to be sucked up by a tornado or pushed through a particularly porous mirror; there is no skill involved in being swept away by a great wave or pulled down a rabbit hole. Some adventures require nothing more than a willing heart and the ability to trip over the cracks in the world.

  Other adventures must be committed to before they have even properly begun. How else will they know the worthy from the unworthy, if they do not require a certain amount of effort on the part of the ones who would undertake them? Some adventures are cruel, because it is the only way they know to be kind.

  Jacqueline and Jillian descended the stairs until their legs ached and their knees knocked and their mouths were dry as deserts. An adult in their place might have turned around and gone back the way they had come, choosing to retreat to the land of familiar things, of faucets that ran wet with water, of safe, flat surfaces. But they were children, and the logic of children said that it was easier to go down than it was to go up. The logic of children ignored the fact that one day, they would have to climb back up, into the light, if they wanted to go home.

  When they were halfway down (although they didn’t know it; each step was like the last), Jillian slipped and fell, her hand wrenched out of Jacqueline’s. She cried out, sharp and wordless, as she tumbled down, and Jacqueline chased after her, until they huddled together, bruised and slightly stunned, on one of the infrequent landings.

  “I want to go back,” sniffled Jillian.

  “Why?” asked Jacqueline. There was no good answer, and so they resumed their descent, down, down, down, down past earthen walls thick with tree roots and, later, with the great white bones of beasts that had walked the Earth so long ago that it might as well have been a fairy tale.

  Down, down, down they went, two little girls who couldn’t have been more different, or more the same. They wore the same face; they viewed the world through the same eyes, blue as the sky after a storm. They had the same hair, white-blonde, pale enough to seem to glow in the dim light of the stairway, although Jacqueline’s hung in long corkscrew curls, while Jillian’s was cut short, exposing her ears and the elegant line of her neck. They both stood, and moved, cautiously, as if expecting correction to come at any moment.

  Down, down, down they went, until they stepped off the final stair, into a small, round room with bones and roots embedded in the walls, with dim white lights on strings hanging around the edges of it, like Christmas had been declared early. Jacqueline looked at them and thought of mining lights, of dark places underground. Jillian looked at them and thought of haunted houses, of places that took more than they gave. Both girls shivered, stepping closer together.

  There was a door. It was small, and plain, and made of rough, untreated pine. A sign hung at adult eye level. BE SURE, it said, in letters that looked like they had been branded into the wood.

  “Be sure of what?” asked Jillian.

  “Be sure that we want to see what’s on the other side, I guess,” said Jacqueline. “There isn’t any other way to go.”

  “We could go back up.”

  Jacqueline looked flatly at her sister. “My legs hurt,” she said. “Besides, I thought you wanted an adventure. ‘We found a door, but we didn’t like it, so we went back without seeing what was on the other side’ isn’t an adventure. It’s … it’s running away.”

  “I don’t run away,” said Jillian.

  “Good,” said Jacqueline, and reached for the doorknob.

  It turned before she could grab it, and the door swung open, revealing the most impossible place either girl had ever seen in their life.

  It was a field. A big field, so big that it seemed like it went on just shy of forever—and the only reason it didn’t go on farther was because it ran up against the edge of what looked like an ocean, slate-gray and dashing itself against a rocky, unforgiving shore. Neither girl knew the word for “moor,” but if they had, they would have both agreed in an instant that this was a moor. This was the moor, the single platonic ideal from which all other moors had been derived. The ground was rich with a mixture of low-growing shrubs and bright-petaled flowers, growing blue and orange and purple, a riot of impossible color. Jillian stepped forward with a small sound of amazement and delight. Jacqueline, not wanting to be left behind, followed her.

  The door slammed shut behind them. Neither girl noticed, not yet. They were busy running through the flowers, laughing, under the eye of the vast and bloody moon.

  Their story had finally begun.

  PART II

  JILL AND JACK INTO THE BLACK

  4

  TO MARKET, TO MARKET, TO BUY A FAT HEN

  JILLIAN AND JACQUELINE ran through the flowers like wild things—and in that moment, that brief and shining moment, with their parents far away and unaware of what their daughters were doing, with no one who dwelt in the Moors yet aware of their existence, they were wild things, free to do whatever they wanted, and what they wanted to do was run.

  Jacqueline ran like she had been saving all her running for this moment, for this place where no one could see her, or scold her, or tell her that ladies didn’t behave that way, sit down, slow down, you’ll rip your dress, you’ll stain your tights, be good. She was getting grass stains on her knees and mud under her fingernails, and she knew she’d regret both those things later, but in the moment, she didn’t care. She was finally running. She was finally free.

  Jillian ran more slowly, careful not to trample the flowers, slowing down whenever she felt like it to look around herself in wide-eyed wonder. No one was telling her to go faster, to run harder, to keep her eyes on the ball; no one wanted this to be a competition. For the first time in years, she was running solely for the joy of running, and when she tripped and fell into the flowers, she went down laughing.

  Then she rolled onto her back and the laughter stopped, drying up in her throat as she stared, wide-eyed, at the vast ruby eye of the moon.

  Now, those of you who have seen the moon may think you know what Jillian saw: may think that you can picture it, shining in the sky above her. The moon is the friendliest of the celestial bodies, after all, glowing warm and white and welcoming, like a friend who wants only to know that all of us are safe in our narrow worlds, our narrow yards, our narrow, well-considered lives. The moon worries. We may not know how we know that, but we know it all the same: that the moon watches, and the moon worries, and the moon will always love us, no matter what.

  This moon watched, but that was where the resemblance to the clean and comfortable moon that had watched over the twins all the days of their lives ended. This moon was huge, and red as a ruby somehow set into the night sky, surrounded by the gleaming points of a million stars. Jillian had never in her life seen so many stars. She stared at them as much as at the moon, which seemed to be looking at her with a focus and intensity that she had never noticed before.

  Gradually, Jacqueline tired of running, and moved to sit down next to her sister in the flowers. Jillian pointed mutely upward. Jacqueline looked, and frowned, suddenly uneasy.

  “The moon is wrong,” she said.

  “It’s red,” said Jillian.

  “No,” said Jacqueline—who had, after all, been encouraged to sit quietly, to read books rather than play noisy games, to watch. No one had ever thought to ask her to be smart, which was good, in the grand scheme of things: her mother would have been much mor
e likely to ask her to be a little foolish, because foolish girls were more tractable than stubbornly clever ones. Cleverness was a boy’s attribute, and would only get in the way of sitting quietly and being mindful.

  Jacqueline had found cleverness all on her own, teasing it out of the silences she found herself marooned in, using it to fill the gaps naturally created by a life lived being good, and still, and patient. She was only twelve years old. There were limits to the things she knew. And yet …

  “The moon shouldn’t be that big,” she said. “It’s too far away to be that big. It would have to be so close that it would mess up all the tides and pull the world apart, because gravity.”

  “Gravity can do that?” asked Jillian, horrified.

  “It could, if the moon were that close,” said Jacqueline. She stood, leaning down to pull her sister along with her. “We shouldn’t be here.” The moon was wrong, and there were mountains in the distance. Mountains. Somehow, she didn’t have a problem with the idea that there was a field and an ocean below the basement, but mountains? That was a step too far.

  “The door’s gone,” said Jillian. She had a sprig of some woody purple plant in her hair, like a barrette. It was pretty. Jacqueline couldn’t think of the last time she’d seen her sister wearing something just because it was pretty. “How are we supposed to go home if the door’s gone?”

  “If the moon can be wrong, the door can move,” said Jacqueline, with what she hoped would sound like certainty. “We just need to find it.”

  “Where?”

  Jacqueline hesitated. The ocean was in front of them, big and furious and stormy. The waves would carry them away in an instant, if they got too close. The mountains were behind them, tall and craggy and foreboding. Shapes that looked like castles perched on the highest peaks. Even if they could climb that far, there was no guarantee that the people who lived in castles like grasping hands, high up the slope of a mountain, would ever be friendly toward two lost little girls.

  “We can go left or we can go right,” said Jacqueline finally. “You choose.”

  Jillian lit up. She couldn’t remember the last time her sister had asked her to choose something, had trusted her not to lead them straight into a mud puddle or other small disaster. “Left,” she said, and grabbed her sister’s hand, and hauled her away across the vast and menacing moor.

  * * *

  IT IS IMPORTANT to understand the world in which Jacqueline and Jillian found themselves marooned, even if they would not understand it fully for some time, if ever. And so, the Moors:

  There are worlds built on rainbows and worlds built on rain. There are worlds of pure mathematics, where every number chimes like crystal as it rolls into reality. There are worlds of light and worlds of darkness, worlds of rhyme and worlds of reason, and worlds where the only thing that matters is the goodness in a hero’s heart. The Moors are none of those things. The Moors exist in eternal twilight, in the pause between the lightning strike and the resurrection. They are a place of endless scientific experimentation, of monstrous beauty, and of terrible consequences.

  Had the girls turned toward the mountains, they would have found themselves in a world washed in snow and pine, where the howls of wolves split the night, and where the lords of eternal winter ruled with an unforgiving hand.

  Had the girls turned toward the sea, they would have found themselves in a world caught forever at the moment of drowning, where the songs of sirens lured the unwary to their deaths, and where the lords of half-sunken manors never forgot, or forgave, those who trespassed against them.

  But they did neither of those things. Instead, they walked through brush and bracken, pausing occasionally to gather flowers that they had never seen before, flowers that bloomed white as bone, or yellow as bile, or with the soft suggestion of a woman’s face tucked into the center of their petals. They walked until they could walk no more, and when they curled together in their exhaustion, the undergrowth made a lovely mattress, while the overgrowth shielded them from casual view.

  The moon set. The sun rose, bringing storm clouds with it. It hid behind them all through the day, so that the sky was never any brighter than it had been when they arrived. Wolves came down from the mountains and unspeakable things came up from the sea, all gathering around the sleeping children and watching them dream the hours away. None made a move to touch the girls. They had made their choice: they had chosen the Moors. Their fate, and their future, was set.

  When the moon rose again the beasts of mountain and sea slipped away, leaving Jacqueline and Jillian to wake to a lonely, silent world.

  Jillian was the first to open her eyes. She looked up at the red moon hanging above them, and was surprised twice in the span of a second: first by how close the moon still looked, and second by her lack of surprise at their location. Of course this was all real. She had had her share of wild and beautiful dreams, but never anything like this. And if she hadn’t dreamed it, it had to be real, and if it was real, of course they were still there. Real places didn’t go away just because you’d had a nap.

  Beside her, Jacqueline stirred. Jillian turned to her sister, and grimaced at the sight of a slug making its slow way along the curve of Jacqueline’s ear. They were having an adventure, and it would all be spoiled if Jacqueline started to panic over getting dirty. Careful as anything, Jillian reached over and plucked the slug from her sister’s ear, flicking it into the brush.

  When she looked back, Jacqueline’s eyes were open. “We’re still here,” she said.

  “Yes,” said Jillian.

  Jacqueline stood, scowling at the grass stains on her knees, the mud on the hem of her dress. It was a good thing she couldn’t see her own hair, thought Jillian; she would probably have started crying if she could.

  “We need to find a door,” said Jacqueline.

  “Yes,” said Jillian, and she didn’t mean it, and when Jacqueline offered her hand, she took it anyway, because they were together, the two of them, really together, and even if that couldn’t last, it was still novel and miraculous. When people heard that she had a twin, they were always quick to say how nice that had to be, having a best friend from birth. She had never been able to figure out how to tell them how wrong they were. Having a twin meant always having someone to be compared to and fall short of, someone who was under no obligation to like you—and wouldn’t, most of the time, because emotional attachments were dangerous.

  (Had she been able to articulate how she felt about her home life, had she been able to tell an adult, Jillian might have been surprised by the way things could change. But ah, if she had done that, she and her sister would never have become the bundle of resentments and contradictions necessary to summon a door to the Moors. Every choice feeds every choice that comes after, whether we want those choices or no.)

  Jacqueline and Jillian walked across the moorland hand in hand. They didn’t talk, because they didn’t know what there was to talk about: the easy conversation of sisters had stopped coming easily to them almost as soon as they had learned to speak. But they took comfort in being together, in the knowledge that neither one of them was making this journey alone. They took comfort in proximity. After their semi-shared childhood, that was the closest they could come to enjoying one another’s company.

  The ground was uneven, as rocky heaths and moorlands often are. They had been climbing for a little while, coming to the end of the flat plain. At the crest of the hill Jacqueline’s foot hit a dip in the soil, and she fell, tumbling down the other side of the hill with a speed as surprising as it was bruising. Jillian shouted her sister’s name, lunging for her hand, and found herself falling as well, two little girls rolling end over end, like stars tumbling out of an overcrowded sky.

  In places like the Moors, when the red moon is looking down from the sky and making choices about the story, when the travelers have made their decisions about which way to go, distance is sometimes more of an idea than an enforceable law. The girls tumbled to a stop, Jacqueline
landing on her front and Jillian landing on her back, both with queasy stomachs and heads full of spangles. They sat up, reaching for each other, brushing the heath out of their eyes, and gaped in open-mouthed amazement at the wall that had suddenly appeared in front of them.

  A word must be said, about the wall.

  Those of us who make our homes in the modern world, where there are very few monsters roaming the fens, very few werewolves howling in the night, think we understand the nature of walls. They are dividing lines between one room and another, more of a courtesy than anything else. Some people have chosen to do away with them altogether, living life in what they call an “open floor plan.” Privacy and protection are ideas, not necessities, and a wall outside is better called a fence.

  This was no fence. This was a wall, in the oldest, truest sense of the word. Entire trees had been cut down, sharpened into stakes and driven into the ground. They were bound together with iron and with hand-woven ropes, the spaces between them sealed with concrete that glittered oddly in the moonlight, like it was made of something more than simply stone. An army could have run aground against that wall, unable to go any farther.

  There was a gate in the wall, closed against the night, as vast and intimidating as the scrubland around it. Looking at that gate, it was difficult to believe that it would ever open, or that it could ever open. It seemed more like a decorative flourish than a functional thing.

  “Whoa,” said Jillian.

  Jacqueline was cold. She was bruised. Worst of all, she was dirty. She had, quite simply, Had Enough. And so she marched forward, out of the bracken, onto the hard-packed dirt surrounding the wall, and she knocked as hard on the gate as her soft child’s hands would allow. Jillian gasped, grabbing her arm and dragging her back.

  But the damage, such as it was, had been done. The gate creaked open, splitting down the middle to reveal a medieval-looking courtyard. There was a fountain in the center, a bronze-and-steel statue of a man in a long cloak, his pensive gaze fixed upon the high mountains. No one stirred. It was a deserted place, an abandoned place, and looking at it filled Jillian’s heart with dread.