Crash at Corona: The U.S. Military Retrieval and Cover-up of a UFO

Crash at Corona: The U. S. Military Retrieval and Cover-up of a UFO - the Definitive Study of the Roswell Incident

Crash at Corona: The U.S. Military Retrieval and Cover-up of a UFO

Flying Saucers and Science: A Scientist Investigates the Mysteries of UFOs

Fact, Fiction, and Flying Saucers: The Truth Behind the Misinformation, Distortion, and Derision by Debunkers, Government Agencies, and Conspiracy Conmen

Top Secret/Majic: Operation Majestic-12 and the United States Government's UFO Cover-up