William Peter Blatty was an American writer and filmmaker.
The Exorcist - Trailer by Warner Movies On Demand
The Exorcist, written in 1971, is his best known novel; he also wrote the screenplay for the film adaptation, for which he won an Academy Award, and wrote and directed the sequel The Exorcist III.
The Exorcist is an American media franchise originating with The Exorcist, a 1971 horror novel by William Peter Blatty and most prominently featured in a 1973 film adapted from the novel, and many prequels and sequels.
The Exorcist III is a 1990 American supernatural horror film written and directed by William Peter Blatty.
The Exorcist - Trailer by Warner Bros. Worldwide
His later works include the novels Elsewhere, Dimiter, and Crazy.
Dimiter is a novel by William Peter Blatty, released on March 16, 2010 through Forge Books.
In 2013, Demons Five, Exorcist Nothing: A Fable and Dimiter were re-released as revised editions with new covers and interior artwork.
Blatty's upcoming publications include The Exorcist for the 21st Century, featuring "an original and never before published adaptation for a new miniseries of Blatty's classic novel", and a non-fiction book that is "part funny memoir and part proof of life after death", titled Finding Peter: A True Story of the Hand of Providence and Evidence of Life After Death.
He is also featured in the 2014 Smoke and Mirrors anthology, featuring the teleplay "h*ll Hospital" and the treatment "Faith".