Sybil: The Classic True Story of a Woman Possessed by Sixteen Personalities free PDF book download from this site, or you can read this book online. “Sybil: The Classic True Story of a Woman Possessed by Sixteen Personalities” is a compelling account of a woman named Sybil, who was diagnosed with multiple personality disorder. Authored by Flora Rheta Schreiber, in collaboration with Sybil’s psychiatrist, Dr. Cornelia Wilbur, the book provides an in-depth look into Sybil’s life and her therapeutic journey. It reveals the existence of sixteen separate personalities within her. This book played a crucial role in shaping the understanding and diagnosis of multiple personality disorder.