Aliens and the Near-Death Experience
P. M. H. Atwater
Karahan Tepe
Andrew Collins
Grey Aliens and Artificial Intelligence
Nigel Kerner
Alien World Order
Len Kasten
Astronaut Gods of the Maya
Erich von Däniken
The Edge of Reality
J. Allen Hynek
The UFO Experience
J. Allen Hynek
The UFO Abduction Book
Brad Steiger
The UFO Hotspot Compendium
Craig Campobasso
The Extraterrestrial Species Almanac
Craig Campobasso
The Hynek UFO Report
J. Allen Hynek
Wonders in the Sky
Jacques Vallee
UFO...Contact From the Pleiades
Brit Elders
Take Me To Your Leader
Neil Degrasse Tyson
Extraterrestrial
Abraham Loeb
The Contact Paradox
Keith Cooper
In Plain Sight
Ross Coulthart
The UFO Book
John Michael Greer
A History of Military Encounters With UFOs
Robert Allred
Alien Encounters
Rupert Matthews
