This book examines the current state of knowledge and ongoing debates surrounding Obsessive-Compulsive Disorder (OCD). It delves into the complex etiology, phenomenology, and treatment of OCD, drawing on the expertise of leading researchers in the field. The work aims to synthesize empirical findings and theoretical perspectives, addressing both established concepts and emerging controversies that shape our understanding of this debilitating disorder. It provides a comprehensive overview for clinicians and researchers seeking to stay abreast of advancements in OCD research.

The book is presented as a scholarly work intended for professionals in the field of anxiety disorders. Its focus on 'concepts and controversies' suggests an in-depth analysis that engages with both established theories and areas of active debate within the study of Obsessive-Compulsive Disorder. The inclusion of 'Series in Anxiety and Related Disorders' in its title indicates it is part of a curated collection, likely aimed at providing advanced perspectives for researchers and clinicians.