http://static.tvtropes.org/pmwiki/pub/images/William-Sleator_main_8249.jpg
An American SpeculativeFiction writer who mainly targets his books towards {{young adult}}s. The format that many of his stories take run along the lines of "What if (insert abnormal phenomenon) existed and a kid/a bunch of kids stumble upon it".
----
!!His works include:
* ''Literature/AmongTheDolls''
* ''Literature/TheAngryMoon''
* ''Literature/TheBeasties''
* ''Literature/{{Blackbriar}}''
* ''Literature/{{Boltzmon}}''
* ''[[Literature/TheBoyWhoCouldntDie The Boy Who Couldn't Die]]'': A teenager responds to an ad in a newspaper purporting a way to live forever. He becomes a voodoo zombie.
* ''Literature/TheBoyWhoReversedHimself'': A girl meets a boy who has the ability to travel in the fourth dimension.
* ''Literature/TheCupcake''
* ''Literature/DangerousWishes''
* ''Literature/TheDuplicate'': A boy finds an alien device that clones himself.
* ''Literature/TheElevator''
* ''Literature/{{Fingers}}''
* ''Literature/TheGreenFuturesOfTycho''
* ''Literature/HellPhone''
* ''Literature/HouseOfStairs'': Five children are trapped in a house filled with endless staircases and are forced to play mind games with a machine for sustinance.
* ''Literature/InterstellarPig''
** ''Literature/ParasitePig'': The sequel.
* ''Literature/IntoTheDream''
* ''Literature/TheLastUniverse''
* ''[[Literature/MarcosMillions Marco's Millions]]''
** ''Literature/TheBoxes'': A girl discovers some strange creatures in a box that have the ability to distort a person's perception of time.
* ''[[Literature/{{Monster-WilliamSleator}} Monster]]''
* ''Literature/TheNightTheHeadsCame''
* ''Literature/{{Oddballs}}''
* ''[[Literature/OnceSaidDarlene Once, Said Darlene]]''
* ''Literature/OthersSeeUs''
* ''Literature/RewindWilliamSleator'': A boy dies and his life is rewound back to a few weeks before his death in an attempt to rectify the situation.
* ''Literature/{{Run}}''
* ''Literature/{{Singularity}}'': A couple of twins discover a shack that has a [[YearInsideHourOutside strange]] TimeDilation effect due to its relationship to a black hole.
* ''Literature/TheSpiritHouse''
* ''Literature/StrangeAttractors''
* ''Literature/{{Test}}''
* ''[[Literature/ThatsSilly That's Silly]]''
----
!!Tropes associated with William Sleator:

* AppliedPhlebotinum
* MagicAIsMagicA
* WhatIf
----