With over fourteen hundred entries, this is the most up-to-date, comprehensive, and authoritative reference available on the fascinating fields of parapsychology and psychical research. Parapsychology, the study of paranormal or supernormal phenomena inexplicable by accepted principles of science has struggled for decades for scientific respectability. With this book, the Bergers have succeeded in collecting and objectively presenting a body of information that will help establish this field as a valid branch of science.