This authored text-reference on posttraumatic stress disorder spans etiology, neurobiology, assessment, evidence-based treatments and prevention. PTSD can affect anyone exposed to violence ? personal, combat related or natural disaster - and millions of Americans suffer from the disorder already. Today?s students and beginning practitioners must have a concise, comprehensive source of authoritative information in order to effectively treat patients. The volume covers state-of-art research, clinical methodologies & key controversies; addresses multiple theoretical vantage points; offers a developmental focus across lifespan; and covers multiple patient populations. Clinical case studies will be used liberally & specific discussion points will facilitate classroom use. There will be a focus throughout on the critical role played by culture and gender.