The Ninth Configuration

From the New York Times bestselling author of The Exorcist, William Peter Blatty's The Ninth Configuration is a thought-provoking, blackly comic journey into the heart of madness—and the outer limits of belief—that served as the basis of an acclaimed film (also known as Twinkle, Twinkle, "Killer" Kane).

Hidden away in a brooding Gothic manor in the deep woods is Center Eighteen, a secret military "rest camp" currently housing twenty-seven inmates, all officers who have succumbed to a sudd...