""This book introduces something substantially new...original, clinically valid and well-thought out ideas which have been extensively 'tested' in workshops conducted internationally over the last decade...a great book!"". Adam Blatner, MD. The author presents the Therapeutic Spiral Model (TSM), a systematic modification of Psychodrama, for therapists working with people who are suffering from severe trauma and posttraumatic stress disorder. A step-by-step guide for using experiential methods safely, the author first explains the theoretical foundations of TSM, research and theories on trauma,