The Encyclopedia of Ghosts and Spirits, Third Edition includes more than 600 entries about ghosts, hauntings, related paranormal phenomenon, the people who investigate them, and the key theories about what causes them. Widely regarded as the definitive reference in the field, this encyclopedia provides comprehensive coverage written in an engaging style. Paranormal expert Rosemary Ellen Guiley has compiled extensive research on the most current theories about what causes ghosts and the many new haunting cases documented since publication of the second edition. The third edition has been updated substantially with the addition of more than 130 new entries, more than 20 new black-and-white photographs, and an updated foreword by Troy Taylor, founder of the American Ghost Society. Many entries include biographical listings for further reading. New and revised entries include: Amityville case; Apparition; Black Aggie; Demon; Eastern State Penitentiary; Electronic Voice Phenomena; Haunting; Lizzie Borden House; Myrtles Plantation; Possession; and, Shadow people.