William Sleator

When two young people realize they are having the same frightening dream, they begin searching for an explanation for this mysterious coincidence.

Twelve-year-old Marco's love for travel and for his younger sister Lilly, who has psychic powers, leads him to journey to other universes, gaining the ability to go wherever he wishes without growing old.

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 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.

A boltzmon, remnant of a black hole, materializes in eleven-year-old Chris's bedroom and transports him to a parallel world, where he encounters the bitter woman his overbearing older sister will become, after his death, if he cannot convince her to change.

A collection of stories based on experiences from the author's youth and peopled with an unusual assortment of family and friends.

Sixteen-year-old David, finding a strange machine that creates replicas of living organisms, duplicates himself and suffers the horrible consequences when the duplicate turns against him.

In the attempt to decipher a number of strange events after he moves into an old cottage, a boy discovers a group of English folk engaged in Devil worship.

Fifteen-year-old Julie investigates the suspicious behavior of the Thai exchange student staying with her family and comes to believe in the wish-granting power of a spirit that appears to have followed him across the ocean.

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.