Contains more than 600 entries about ghosts, hauntings, related paranormal phenomenon, the people who investigate them, and the key theories about what causes them. This encyclopedia compiles research on the available theories about what causes ghosts. It also includes black-and-white photographs, a...

Contains more than 600 entries about ghosts, hauntings, related paranormal phenomenon, the people who investigate them, and the key theories about what causes them. This encyclopedia compiles research on the available theories about what causes ghosts. It also includes black-and-white photographs, and a bibliographical listing for further reading.