Up to six million Americans suffer from Obsessive-Compulsive Disorder. Petty thoughts and pointless rituals that sufferers are powerless to stop, repeating them over and over until they feel as though they've "gotten it right." In this landmark study, eminent psychiatrist Judith L. Rapoport recounts the extraordinary experiences of dozens of her patients and discusses new and existing treatments. Also included are guidelines for diagnosis as well as resources and references. This important book is for everyone who is fascinated with the workings of the human mind.