Obsessive Compulsive Disorders (OCDs) involve habitual, repetitivebehaviours that can be bizarre, disruptive and eventuallydisabling. They can destroy lives and relationships and are one ofthe most common of the emotional disorders. The last five years have seen substantive advances in the state ofknowledge of all aspects of OCD and this volume brings togethermany of the recognised leaders in the field to provide astate-of-the-art account of theory, assessment and practice intreatment. A comprehensive text for trainees and practitioners. ? Presents current theories as well as treatment, focusing mainlyon Cognitive Therapy methods of treatment ? Covers the assessment, nature and treatment of a wide range ofsub-types of OCD ? Written by an international team of experts Part of the renowned Wiley Series in Clinical Psychology