Sleator, William

In the security-obsessed, elitist United States of the near future, where a standardized test determines each person's entire future, a powerful man runs a corrupt empire until seventeen-year-old Ann and other students take the lead in boycotting the test.

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.

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.

Sixteen-year-old twins Harry and Barry stumble across a gateway to another universe, where a distortion in time and space causes a dramatic change in their competitive relationship.

Max finds himself in possession of a time travel device which is eagerly sought by two desperate men, the scientist who invented it and the scientist's alter ego from a different timeline.

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.

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.

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

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.

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.