What has the author Shirley Sleator written?

There is no author named Shirley Sleator. There is an author named William Sleator, known for his science fiction and fantasy novels for young adults.

It is possible you are thinking of William Sleator. He has written numerous books, including:

* The Green Futures of Tycho (1973)

* The House of Stairs (1974)

* Interstellar Pig (1975)

* The Boy Who Reversed Himself (1979)

* The Duplicate (1981)

* The Black Hole (1985)

* The Ghosts of Now (1990)

* The Time Traders (1992)

If you are thinking of a different author, please clarify the name.