Every race and culture has a similar idea on possession and exorcism. Most of them believe that possession is caused by Satan and can only be healed by the exorcist. This concept is not always true. There have been studies that out of five thousand cases of possession there may be only case caused by Satan. Majority of the cases are caused by a phenomenon known as a Dissociative Identity Disorder or the spiritual problems. This book introduces the concept of possession and teaches the readers the step by step procedures of psycho-exorcism.