Exorcist II: The Heretic the Book of Job; it's God testing the good. In this sense, Regan (Linda Blair) is a modern-day saint — like Ingrid Bergman in "Europa '51", and in a way, like Charlie in "Mean Streets". I like the first "Exorcist", because of the Catholic guilt I have, and because it scared the hell out of me; but "The Heretic" surpasses it. Maybe Boorman failed to execute the material, but the movie still deserved better than it got." Author Bob McCabe's book "The Exorcist: Out of the Shadows" contains a chapter on the film in which Linda Blair said the movie
The Exorcist was made into the movie "The Exorcist III" in 1990. Like "The Exorcist", it involves demonic possession. The book was the focus of a court case over its exclusion from "The New York Times" Best Seller list. Blatty based aspects of the Gemini Killer on the real-life Zodiac Killer, who, in a January 1974 letter to the "San Francisco Chronicle", had praised the original "Exorcist" film as "the best satirical comedy that I have ever seen". The Exorcist is a 1973 American supernatural horror film directed by William Friedkin, adapted by William Peter Blatty from his 1971 novel of the