- In League with a UFO by Lou Baldin, 2009-02-25
- Crash at Corona: The U.S. Military Retrieval and Cover-Up of a UFO by Don Berliner, Stanton T. Friedman, 2004-05-02
- UFOs & Abductions: Challenging the Borders of Knowledge
- DISCLOSURE! Breaking Through The Barrier Of UFO Secrecy! by Sean Casteel, Timothy Beckley, et all 2010-06-01
- Projekt Ufo: The Case For Man-Made Flying Saucers by W A Harbinson, 2007-12-10
- The Black World of UFOs: Exempt from Disclosure by Robert M. Collins, 2006
- Mysteries of UFOs (Unsolved!) by Kathryn Walker, 2008-10-30
- Flying Saucers and Science: A Scientist Investigates the Mysteries of UFOs: Interstellar Travel, Crashes, and Government Cover-Ups by Stanton T. Friedman, 2008-06-01
- The German UFOs, Extraterrestrials Messages and the Supernatural by Maximillien De Lafayette, 2010-08-21
- Ufos and How to See Them by Jenny Randles, 2000-01-01
- UFOs: A Century of Sightings by Michael David Hall, 1999-04-01
- Ultimate UFO Series: Andromeda by Robert Shapiro, 2003-11
- Left at East Gate: A First-Hand Account of Bentwaters-Woodbridge Ufo Incident, Its Cover-Up, and Investigation by Larry Warren, Peter Robbins, 1998-09
- Aliens in America: A UFO Hunter's Guide to Extraterrestrial Hotpspots Across the U.S. by William J. Birnes, 2010-09-16
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