William Sleator

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.

Isaac is the new kid in town. His mother, Vera, is in the hospital with a mysterious illness, and the only person left to care for Isaac is his distant grandfather. Friendless and often alone, Isaac loses himself in his collection of optical illusions, including a strange mirror box that he finds in his new house, left behind by the previous tenants. Designed for amputees, it creates the illusion of a second limb. Lonely Isaac wishes someone would...

A master of teen thrillers tests readers' courage in an edge-of-your-seat novel that echoes the fears of exam-takers everywhere. Ann, a teenage girl living in the security-obsessed, elitist United States of the very near future, is threatened on her way home from school by a mysterious man on a black motorcycle. Soon she and a new friend are caught up in a vast conspiracy of greed involving the mega-wealthy owner of a school testing company. Students...

Eighteen-year-old Sam has always been jealous of his younger brother, Humphrey, the famous "wonder child" pianist. But now, that Humphrey is fifteen, the one-time child prodigy isn't able to get any more bookings. Sam's mother refuses to accept that Humphrey's career is over and devises a scheme to recapture his fame: Sam will compose "new works" by a long dead gypsy composer, and they will tell the world that the composer is dictating the music to...

When his best friend dies in a plane crash, sixteen-year-old Ken has a ritual performed that will make him invulnerable, but soon learns that he had good reason to be suspicious of the woman he paid to lock his soul away.