The Hynek UFO Report: The Authoritative Account of the Project Blue Book Cover-Up (Mufon)
by J. Allen Hynek
ISBN 13: 9781590033036
Format: Paperback (320 pages) Publisher: Red Wheel,US Published: 25 Mar 2020
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The UFO Experience: Evidence Behind Close Encounters, Project Blue Book, and the Search for Answers (Mufon)
ISBN 13: 9781590033081
Format: Paperback (320 pages) Publisher: Red Wheel/Weiser Published: 25 May 2023
The Edge of Reality: Two Scientists Evaluate What We Know of the UFO Phenomenon (Mufon)
by J. Allen Hynek,Jacques Vallee
ISBN 13: 9781590033098
Format: Paperback (256 pages) Publisher: Red Wheel/Weiser Published: 25 Nov 2023