The new, quick reference for understanding Posttraumatic Stress Disorder The Wiley Concise Guides to Mental Health: Posttraumatic Stress Disorder uses clear, highly accessible language to comprehensively guide the reader through posttraumatic stress disorder (PTSD) and related issues. This concise, informative reference provides a complete overview of the history of the field, diagnosis, treatment, research, emerging trends, and other critical information about PTSD. Examini