New York: Penguin Arkana, 1995. Presenation copy signed by the author; 299 pages. More about THE MEDIUM, THE MYSTIC, AND THE PHYSICIST; Toward a General Theory of the Paranormal
New Hyde Park: University Books, 1961. First U.S. edition. 254 pages. More about THE FUTURE IS NOW; The Significance of Precognition
Wheaton: Theosophical Publ. House, 1966. First U.S. edition. 232 pages. More about THE MEANING OF PERSONAL EXISTENCE: IN THE LIGHT OF PARANORMAL PHENOMENA, REINCARNATION AND...
New York: Viking Press, 1975. First edition. Numerous illustrations, 183 pages. More about SUPERMINDS: A SCIENTIST LOOKS AT THE PARANORMAL