- Critical Reading Series: Aliens and UFOs by McGraw-Hill - Jamestown Education, 2002-12-12
- The Ufo Book: Encyclopedia of the Extraterrestrial by Jerome Clark, 1997-09
- UFOs and the Alien Agenda. The complete book of UFOs, encounters, abductions & aliens bases on earth: The whole story of UFOs, Aliens and Abductees by Maximillien De Lafayette, 2007-12-24
- Invasion Washington: UFOs Over the Capitol by Kevin D. Randle, 2001-11-01
- World's Best "True" Ufo Stories by Jenny Randles, Peter A. Hough, 1995-08
- The Science of Extraterrestrials: UFOs Explained at Last. by Eric Julien, 2006-10-10
- Aliens & UFOs: Messengers or Deceivers? by James L. Thompson, 1993-06
- Top Secret/Majic: Operation Majestic-12 and the United States Government's UFO Cover-up by Stanton T. Friedman, 2005-07-29
- The Ufo Handbook: A Guide to Investigating, Evaluating, and Reporting Ufo Sightings by Allan Hendry, 1979-08
- In League with a UFO by Lou Baldin, 1997-06-25
- UFO Briefing Document: The Best Available Evidence by Don Berliner, 2000-06-13
- Ufo Encounters by Western Publishing, 1978-01-01
- UFO secrets revealed by Phil Cousineau, 1995
- The UFO Evidence by Richard Hall, 1997
|