Mr. Coeslak won't stay in the house after dark, but he agreed to find someone to look after Samantha and Claire. Then their father couldn't find Mr. Coeslak, but the babysitter showed up precisely at seven o'clock. The babysitter, whose name neither twin quite caught, wears a blue cotton dress with short floaty sleeves. Both Samantha and Claire think she is pretty in an old-fashioned sort of way. They were in the library with their father, looking up Mulatuppu in the red leather atlas, when she arrived. She didn't knock on the front door, she simply walked in and then up the stairs, as if she knew where to find them.

Their father kissed them goodbye, a hasty smack, told them to be good and he would take them into town on the weekend to see the Disney film. They went to the window to watch as he walked into the woods. Already it was getting dark and there were fireflies, tiny yellow-hot sparks in the air. When their father had entirely disappeared into the trees, they turned around and stared at the babysitter instead. She raised one eyebrow. "Well," she said. "What sort of games do you like to play?"

Widdershins around the chimneys,

Once, twice, again.

The spokes click like a clock on the bicycle;

They tick down the days of the life of a man.

First they played Go Fish, and then they played Crazy Eights, and then they made the babysitter into a mummy by putting shaving cream from their father's bathroom on her arms and legs, and wrapping her in toilet paper. She is the best babysitter they have ever had.

At nine-thirty, she tried to put them to bed. Neither Claire nor Samantha wanted to go to bed, so they began to play the Dead game. The Dead game is a let's pretend that they have been playing every day for 274 days now, but never in front of their father or any other adult. When they are Dead, they are allowed to do anything they want to. They can even fly by jumping off the nursery bed, and just waving their arms. Someday this will work, if they practice hard enough.

The Dead game has three rules.

One. Numbers are significant. The twins keep a list of important numbers in a green address book that belonged to their mother. Mr. Coeslak's tour has been a good source of significant amounts and tallies: they are writing a tragical history of numbers.

Two. The twins don't play the Dead game in front of grownups. They have been summing up the babysitter, and have decided that she doesn't count. They tell her the rules.

Three is the best and most important rule. When you are Dead, you don't have to be afraid of anything. Samantha and Claire aren't sure who the Specialist is, but they aren't afraid of him.

To become Dead, they hold their breath while counting to 35, which is as high as their mother got, not counting a few days.

"You never lived here," Claire says. "Mr. Coeslak lives here."

"Not at night," says the babysitter. "This was my bedroom when I was little."

"Really?" Samantha says. Claire says, "Prove it."

The babysitter gives Samantha and Claire a look, as if she is measuring them: how old, how smart, how brave, how tall. Then she nods. The wind is in the flue, and in the dim nursery light they can see the milky strands of fog seeping out of the fireplace. "Go stand in the chimney," she instructs them. "Stick your hand as far up as you can, and there is a little hole on the left side, with a key in it."

Samantha looks at Claire, who says, "Go ahead." Claire is fifteen minutes and some few uncounted seconds older than Samantha, and therefore gets to tell Samantha what to do. Samantha remembers the muttering voices and then reminds herself that she is Dead. She goes over to the fireplace and ducks inside.

When Samantha stands up in the chimney, she can only see the very edge of the room. She can see the fringe of the mothy blue rug, and one bed leg, and beside it, Claire's foot, swinging back and forth like a metronome. Claire's shoelace has come undone and there is a Band-Aid on her ankle. It all looks very pleasant and peaceful from inside the chimney, like a dream, and for a moment she almost wishes she didn't have to be Dead. But it's safer, really.

She sticks her left hand up as far as she can reach, trailing it along the crumbly wall, until she feels an indentation. She thinks about spiders and severed fingers, and rusty razorblades, and then she reaches inside. She keeps her eyes lowered, focused on the corner of the room and Claire's twitchy foot.

Inside the hole, there is a tiny cold key, its teeth facing outward. She pulls it out, and ducks back into the room. "She wasn't lying," she tells Claire.

"Of course I wasn't lying," the babysitter says. "When you're Dead, you're not allowed to tell lies."

"Unless you want to," Claire says.

Dreary and dreadful beats the sea at the shore.

Ghastly and dripping is the mist at the door.

The clock in the hall is chiming one, two, three, four.

The morning comes not, no, never, no more.

Samantha and Claire have gone to camp for three weeks every summer since they were seven. This year their father didn't ask them if they wanted to go back and, after discussing it, they decided that it was just as well. They didn't want to have to explain to all their friends how they were half-orphans now. They are used to being envied, because they are identical twins. They don't want to be pitiful.

It has not even been a year, but Samantha realizes that she is forgetting what her mother looked like. Not her mother's face so much as the way she smelled, which was something like dry hay and something like Chanel No. 5, and like something else too. She can't remember whether her mother had gray eyes, like her, or grey eyes, like Claire. She doesn't dream about her mother anymore, but she does dream about Prince Charming, a bay whom she once rode in the horse show at her camp. In the dream, Prince Charming did not smell like a horse at all. He smelled like Chanel No. 5. When she is Dead, she can have all the horses she wants, and they all smell like Chanel No. 5.

"Where does the key go to?" Samantha says.

The babysitter holds out her hand. "To the attic. You don't really need it, but taking the stairs is easier than the chimney. At least the first time."

"Aren't you going to make us go to bed?" Claire says.

The babysitter ignores Claire. "My father used to lock me in the attic when I was little, but I didn't mind. There was a bicycle up there and I used to ride it around and around the chimneys until my mother let me out again. Do you know how to ride a bicycle?"

"Of course," Claire says.

"If you ride fast enough, the Specialist can't catch you."

"What's the Specialist?" Samantha says. Bicycles are okay, but horses can go faster.

"The Specialist wears a hat," says the babysitter. "The hat makes noises."

She doesn't say anything else.

When you're dead, the grass is greener

Over your grave. The wind is keener.

Your eyes sink in, your flesh decays. You

Grow accustomed to slowness; expect delays.

The attic is somehow bigger and lonelier than Samantha and Claire thought it would be. The babysitter's key opens the locked door at the end of the hallway, revealing a narrow set of stairs. She waves them ahead and upwards.

It isn't as dark in the attic as they had imagined. The oaks that block the light and make the first three stories so dim and green and mysterious during the day, don't reach all the way up. Extravagant moonlight, dusty and pale, streams in the angled dormer windows. It lights the length of the attic, which is wide enough to hold a soft-ball game in, and lined with trunks where Samantha imagines people could sit, could be hiding and watching. The ceiling slopes down, impaled upon the eight thickwaisted chimney stacks. The chimneys seem too alive, somehow, to be contained in this empty, neglected place; they thrust almost angrily through the roof and attic floor. In the moonlight they look like they are breathing. "They're so beautiful," she says.