J. Allen Hynek
Retrieve the information about J. Allen Hynek and his books on the go! Keep your project up to date with the ISBNdb book database searchable via API with 19 data points per book available.
U.F.O.Report
Night Siege: The Hudson Valley UFO Sightings
The Hynek UFO report
The UFO Experience: Evidence Behind Close Encounters, Project Blue Book, and the Search for Answers (MUFON)
The Hynek UFO report
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