Faces of a Ghost Hunter, by Gloria Young (
Ghost Hunters: The Victorians and the Hunt for Proof of Life After Death, by Deborah Blum (New York: Penguin: 2006).
Ghost Hunters: True Stories of Unexplained Phenomena from the Atlantic Paranormal Society, by Jason Hawes and Grant Wilson, with Michael Jan Friedman (New York: Simon and Schuster, 2007).
Ghosts Caught on Film, Photographs of the Paranormal, by Dr. Melvyn Willin (Devon, UK: Charles and David, 2007).
Ghost and Ghoul, by Thomas Charles Lethbridge (Garden City, NY: Doubleday, 1962).
The Haunted House Handbook, by D. Scott Rogo (New York: Grosset and Dunlap, 1978).
Hauntings and Poltergeists, by Loyd Auerbach (Oakland, CA: Ronin Publishing, 2004).
Hostage to the Devil: The Possession and Exorcism of Five Contemporary Americans, by Dr. Malachi Martin (New York: HarperOne, 1992).
The Lost World of the Kalahari, by Lauren van der Post (Fort Washingon, PA: Harvest Books, 1977).
Mysteries, by Colin Wilson (New York: Putnam, 1978).
The Occult, by Colin Wilson (London: Watkins, 2006).
The Orb Project, by Dr. Klaus Heinemann and Miceal Led-with (New York: Atria Books/Beyond Words, 2007).
Poltergeist, by Colin Wilson (St. Paul, MN: Llewellyn Publications, 1995).
PSIence: How New Discoveries in Quantum Physics and New Science May Explain the Existence of Paranormal Phenomena, by Marie D. Jones (Franklin Lakes, NJ: Career Press, 2006).
The Welcoming Silence: A Study of Psychical Phenomena and Survival of Death, by D. Scott Rogo (University Book, 1973).

