Designed to be used in conjunction with the complementary workbook OCD - Tools to Help You Fight Back! Obsessive-compulsive disorder (OCD) affects approximately one in a hundred young people, and often makes it difficult to lead happy and productive lives. This manual from the distinguished Maudsley hospital guides therapists through the process of treating young people with the disorder and supporting patients and their families. It features an adaptable evidence-based treatment based on Cognitive Behavioural Therapy and Exposure and Response Prevention techniques. It provides instructions on how best to educate young people and their families about OCD and anxiety, and on how to involve patients' families in the recovery process to form a truly collaborative team. Essential reading for professionals treating young people with OCD, it will prove a valuable resource for both experienced therapists and clinicians in training.