Best Selling Books by William Sleator

Twin boys discover a playhouse on the property they have inherited that contains a mystery involving monsters from space and a new dimension in time.

This chilling, suspenseful indictment of mind control is a classic of science fiction and will haunt readers long after the last page is turned. One by one, five sixteen-year-old orphans are brought to a strange building. It is not a prison, not a hospital; it has no walls, no ceiling, no floor. Nothing but endless flights of stairs leading nowhere--except back to a strange red machine. The five must learn to love the machine and let it rule their lives. But will they let it kill their souls? "An intensely suspenseful page-turner." --School Library Journal "A riveting suspense novel with an anti-behaviorist message that works . . . because it emerges only slowly from the chilling events." --Kirkus Reviews

Barney''s boring seaside vacation suddenly becomes more interesting when the cottage next door is occupied by three exotic neighbors who are addicted to a game they call "Interstellar Pig."

When he finds an ancient, egg-shaped object with which he travels back and forth in time, eleven-year-old Tycho grapples with several terrible futures he sees for himself and his family.

After Jared accidentally plunges into a polluted swamp, he gains the ability to read minds . . . and discovers dangerous secrets about his family The first thing Jared does every summer when he and his family arrive at their cottage is hop on his bike and cruise along the back roads. Only this year he''s grown too big for the bike. When the brakes suddenly give out at the bottom of the hill where the road makes a sharp turn, Jared plunges into an industrial swamp oozing with toxic waste. After the accident, Jared feels OK—except for a headache. But then he starts hearing strange things: people''s private thoughts, which are the total opposite of what they actually say. Next, Jared''s journal is stolen. Luckily, he can just read the mind of the person who stole it. He can also use his new power to track down the culprit in a recent series of ATM robberies and neighborhood break-ins. But along with solving mysteries, Jared uncovers shocking family secrets, the identity of someone else who has the same paranormal gift as him, and the truth about the girl he loves.

Vicky is disappointed in her birthday gift of a dollhouse, but she experiences real terror when she is drawn into the house and the lives of its malicious inhabitants.

Eighteen-year-old Sam falls in with his mother''s bizarre scheme to revitalize his younger brother''s flagging career as a piano prodigy, and agrees to compose "new works" by a long-dead composer and present them to his brother as the dictations of a ghost.

When Laura discovers that the unpopular boy living next door to her has the ability to go into the fourth dimension, she makes the dangerous decision to accompany him on his journeys there.

Dom, a fourteen-year-old computer enthusiast, travels to Bangkok in order to find a necklace that his sister had lost three years earlier and to lift the curse that has plagued his family since that time.

A foreign exchange student comes to live with Julie''s family for a year—setting off a frightening chain of events Julie isn''t thrilled about her parents'' decision to sponsor a foreign exchange student from Thailand. Not only is the stranger going to live with them for a year, but Julie is convinced he''ll be a nerd and will embarrass her at school. But when a tall, handsome, super-cool guy named Bia arrives, Julie is suddenly the envy of all her girlfriends. Dominic, Julie''s 11-year-old brother, is also thrilled to have Bia around the house. So to make the guest feel at home in America, Dominic builds a traditional Thai spirit house in the backyard. Overnight, Bia seems to undergo a major personality change. He''s mean and spiteful and lies about everything. He also seems terrified of something . . . or someone. Has Dominic''s construction somehow invoked a vengeful spirit? Is Bia the bearer of luck so bad it could harm Julie and her family?

Annie''s Uncle Marco goes on one of his mysterious trips, leaving her in charge of two sealed boxes on one condition: she must not open either one while he is away. But she is tempted...and soon she has unleashed the unspeakable. The creatures inside the box are crab-like and grotesque. And they possess a power Annie could never have imagined: the power to transmute time."Sleator is the master of the creepy-crawly, and his inventiveness is at full power here." --The Horn Book

Sixteen-year-old Ken loses his best friend in a plane crash and now he wants to be invulnerable. He finds a psychic who claims she can make him immortal for $50--if he gives up his soul. Ken agrees, but soon realizes that the psychic may be exacting a more sinister payment.

Three teen-agers, thrown together by chance in an isolated house, become increasingly aware of a threat lurking in the darkness outside.

When Peter is hit by a car, he is given the ultimate do-over: go back to any point in time before that fateful moment, and alter the events leading up to his death. If he fails, he will die again--this time, for good. Now Peter''s racing against time to save his own life, but what should he change? His adoptive parents don''t understand him, the school jock is out to get him, and no one appreciates his own talents. This may be his last chance--can Peter cheat death, or will he be lost forever?

When fifteen-year-old Doug and his younger sister Colette move with their parents to a forested wilderness area, they encounter some weird creatures whose lives are endangered.

When aliens abduct both Leo and his artist friend Tim, Leo tries to determine why these creatures from outer space want particularly to use his friend''s talent.

Summary : YA. David finds a mysterious machine that can duplicate himself, but instead of freeing himself to be in two places at once, the duplicate he makes gives him a nightmarish struggle for identity.