Edmond C. Gruss Without sensationalism, Edmond C. Gruss demonstrates - through one startling case after another- that these dangers are all too real. He traces the occult ancestry of the Ouija board and explores possible sources of messages, as well as Ouija's role in THE EXORCIST and themodern channeling movement. Gruss comvines compelling documentation witha solid biblical response and offers practical steps for those struggling with the occult.