The book is intended both for those who have this disorder and for their families and friends. It is full of up to date information about the nature, symptoms, types, causes, treatments, and theories of obsessive-compulsive disorder. The authors look at the full range of therapies available, and provide invaluable practical advice for those who may need help. Numerous case histories are given throughout the book, highlighting various aspects of OCD and its treatment. New to this edition are extensive new sections on compulsive hoarding, obsessive slowness, and obsessive compulsive behavior in children.