Parapsychology: A Century of Enquiry

D. Scott Rogo

The Infinite Boundary: Spirit Possession, Madness, and Multiple Personality

D. Scott Rogo

Science and Parascience: A History of the Paranormal 1914-1939

Brian Inglis

The Unknown Guest: The Mystery of Intuition

Brian Inglis

Breakthrough: An Amazing Experiment in Electronic Communication with the Dead

Konstantin Raudive

Poltergeist Parallels and Contagion

Darren W. Ritson