Obsessive-compulsive disorder (OCD) is a potentially life-long debilitating disorder, which often emerges during teenage years and affects as many as 1 in every 50 people. Young people living with OCD experience recurrent obsessions or compulsions that are distressing and interfere with their social lives, relationships, educational functioning and careers.Written by leading experts on OCD, this step-by-step guide is written for adolescents with OCD and their families, to be used in home treatment or as a self-help book. Using the principles of cognitive behavioural therapy (CBT), which is the proven method for helping those with OCD, it offers teenagers a structured plan of treatment which can be read alone, or with a parent, counsellor or mental health worker. The guide provides useful advice and worksheets throughout.This self-help book for young people aged 10-16 is an invaluable resource for adolescents who have suffered from, or know someone who has suffered from, OCD, their families, teachers, carers, and mental health professionals.