Livres comme California Ghosts
Autres livres de Preston E. Dennett
UFO healings1996
Human Levitation2006
UFOs over California2004
Ufos Over New Mexico A True History Of Extraterrestrial Encounters In The Land Of Enchantment2012
Extraterrestrial Visitations2001
Out-Of-Body Exploring2004- Undersea UFO BaseUndersea UFO Base2018
Bigfoot, Yeti, and Other Ape-Men2008
UFOs and Aliens2008
The Healing Power of UFOs2019
UFOs over Colorado2022
Ufos Over Topanga Canyon1999