Ultimate Ghost Tech
Aliens Above, Ghosts Below: Explorations of the Unkown
Ghost Hunting: How to Investigate the Paranormal
Ghost Detective: Adventures of a Parapsychologist
The Parapsychology Revolution: A Concise Anthology of Paranormal and Psychical Research
Unbelievable: Investigations into Ghosts, Poltergeists, Telepathy, and Other Unseen Phenomena, from the Duke Parapsychology Laboratory