This comprehensive overview of research and clinical practice in PTSD includes new insights into assessment with regard to DSM-5 and ICD-11, discussion of ongoing controversies in the field as to what constitutes safe and effective care, and new research as to assessment, diagnosis, treatment, and prevention of PTSD. The second edition includes new coverage of the neurobiology of PTSD, PTSD in special populations, and forensic issues relating to PTSD.