Apparently, there are 5 people in America who don't know who Sybil was. (Yes, my husband is one.) This is the story of Shirley Mason a/k/a Sybil, her psychologist and the journalist who wrote their story. It is fascinating and contains many details that you have never heard of. It provides background on the mental health profession at the time and how Shirley came to be diagnosed. It delves into the background of all three women and exposes the real horror that lies behind the story of Sybil. READ THIS BOOK.