1954
John Leslie Spencer has written and had published around 30 books in two genre; the paranormal, and a range of business books (John is also a qualified accountant).
The encyclopedia of ghosts and spirits
1992
Phenomenon
1989
Powers of the mind
1999
Alien contact
1997
World Atlas of UFOs
1992
L'Inexpliqué
1997
The encyclopedia of the world's mystical and sacred sites
2002
The ghost handbook
1998
Perspectives, a radical examination of the alien abduction phenomenon
1990
The Unexplained
1997
The Paranormal
1992
The UFO encyclopedia
1991
Fifty years of UFOs
1997
Ghostwatching
1994
TheU FO encyclopedia
1991
UFOs
1991
UFO'S, the definitive casebook
1991
Will you survive after death?
1995
World atlas of UFO's [sic.]
1992
The encyclopedia of the world's greatest unsolved mysteries
1995
Mysteries and magic
1999
Gifts of the Gods?
1995
