The Exorcist (novel) The Exorcist (novel) The Exorcist is a 1971 horror novel by American writer William Peter Blatty. The book details the demonic possession of twelve-year-old Regan MacNeil, the daughter of a famous actress, and the two priests who attempt to exorcise the demon. Published by Harper & Row, the novel was the basis of a highly successful film adaption released two years later, whose screenplay was also written and produced by Blatty, and part of "The Exorcist" franchise. The novel was inspired by a 1949 case of demonic possession and exorcism that Blatty heard about while he was a student in
Exorcist has been mandated to perform the rite of solemn exorcism. Since at least the third century, the Latin Church has formally ordained men to the minor order of exorcist. Text previously attributed to a fourth Council of Carthage (398), now identified as a collection called "Statuta Ecclesiæ Antiqua", prescribes in its seventh canon the rite of ordination of such an exorcist: the bishop is to give him the book containing the formulae of exorcism, saying, "Receive, and commit to memory, and possess the power of imposing hands on energumens, whether baptized or catechumens". These exorcists routinely performed ceremonies over adults