J. Allen Hynek

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The Ufo Experience: A Scientific Inquiry (COLLECTOR'S LIBRARY OF THE UNKNOWN)
Hynek, Joseph Allen

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The Edge of Reality: Two Scientists Evaluate What We Know of the UFO Phenomenon (MUFON)
Hynek, J. Allen; Vallee, Jacques

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The Hynek UFO Report: The Authoritative Account of the Project Blue Book Cover-Up (MUFON)
Hynek, J. Allen

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The UFO Experience: Evidence Behind Close Encounters, Project Blue Book, and the Search for Answers (MUFON)
Hynek, J. Allen

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� 13.55

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Ufo Experience: A Scientific Inquiry
Hynek, Joseph Allen

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� 15.56

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Night Siege: Hudson Valley UFO Sightings
Hynek, J. Allen; Imbrogno, Philip J.; Pratt, Bob

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� 19.88

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The Edge of Reality: A Progress Report on Unidentified Flying Objects
Hynek, Joseph Allen,

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� 30.72

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Unidentified Flying Object Experience: A Scientific Inquiry
Hynek, J. Allen

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� 29.30

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