The Guinness encyclopedia of Ghosts and Spirits

This reference book contains 400 entries on aspects of the spiritual world, with background stories, reported sightings and appraisals of evidence relating to the world's best-known ghosts - both the debunked and the unexplained. Other topics include the different types of ghosts, from the Arabian afrit to the Voodoo zombie; ghost hunters, psychics and psychic researchers; and the spiritual associations of everyday objects such as mirrors and doors.