The Exorcist same name, and starring Ellen Burstyn, Linda Blair, Max von Sydow, and Jason Miller. The film is part of "The Exorcist" franchise. The book, inspired by the 1949 exorcism of Roland Doe, deals with the demonic possession of a 12-year-old girl and her mother's attempts to win back her child through an exorcism conducted by two priests. The adaptation is relatively faithful to the book, which itself has been commercially successful (hitting the "New York Times" bestseller list). John Boorman's "" was released in 1977, and revisited Regan four years after her initial ordeal. The plot dealt with an investigation
Pazuzu (The Exorcist) body and then hurling himself through a window and down the infamous flight of stairs leading down to M Street NW, in Georgetown. In "", Pazuzu is named as the demon and returns to haunt Regan. There are flashbacks of Merrin battling the demon in Regan and also flashbacks of Merrin's exorcism of Pazuzu from a boy named Kokumo in Africa many years earlier. In the end of the film, Regan and Father Lamont, who has been trying to help her, but has become possessed by Pazuzu, return to Georgetown. After a struggle, he declines Pazuzu's offer of power and