""True crime readers and those interested in learning more about the possible motivations of torturers and deranged killers will want to give this a look....The nature of the crimes, the sheer depth of evil makes this as terrifying a read as any thriller and worse, the villains are real." --Monsters and Critics.com “Psychiatrist Stone...provides an etymology of evil with case studies of over 600 violent criminals, giving readers a comprehensive picture of the nature and varieties of human evil.... useful to those seeking the neurological and psychiatric reasons people commit ’evil’ crimes." --Library Journal “This book is well researched and thorough, and Dr. Stone hopes that it will help us understand and judge the criminals whose criminal impulses cause such terrible suffering." --Sacramento Book Review “This excellent study of evil and forensic psychiatry will be valuable to anyone interested in why people commit evil acts. Recommended. All readers." --Choice “This is a very readable book...these pages prompted a good deal of reflection and conversation. In this spirit, I would recommend the book to you."--American Journal of Psychiatry