The diagnosis of Posttraumatic Stress Disorder (PTSD) has increasingly been the focus of clinicians' attention when treating patients after stressful life events. This book addresses the needs and interests of practicing clinicians who need access to the findings and concerns researchers and policy makers have about PTSD. Bringing together a distinguished and international list of contributors including Edna Foa and Robert Spitzer, this book is filled with case studies and highlights important issues and treatment, providing clinicians with a sound conceptual understanding of posttraumatic stress disorder.