Project Blue Book: The Top Secret UFO Files that Revealed a Government Cover-UpBrad Steiger
MUFON
Libros de MUFON
- The Hynek UFO Report: The Authoritative Account of the Project Blue Book Cover-UpJ. Allen Hynek
- The UFO Hotspot Compendium: All the Places to Visit Before You Die or Are AbductedCraig Campobasso
- The UFO Abduction Book: Extraordinary Extraterrestrial Encounters of the Terrifying KindBrad Steiger
- The CIA UFO Papers: 50 Years of Government Secrets and Cover-UpsDan Wright
- Extraterrestrial Contact: What to Do When You've Been AbductedKathleen Marden
