کتاب های J. Allen Hynek
![The Hynek UFO Report](http://cdn.ketabkoo.com/covers/11/1104622-n.jpg)
The Hynek UFO Report
J. Allen Hynek![Rapporto sugli UFO](http://cdn.ketabkoo.com/covers/11/1148186-n.jpg)
Rapporto sugli UFO
Josef Allen Hynek, 1977![Ufologia - Uma Pesquisa Científica](http://cdn.ketabkoo.com/covers/11/1158478-n.jpg)
Ufologia - Uma Pesquisa Científica
J. Allen Hynek, 1972![Les objets volants non identifiés. Mythe ou réalité ?](http://cdn.ketabkoo.com/covers/11/1190326-n.jpg)
Les objets volants non identifiés. Mythe ou réalité ?
J. Allen Hynek, 1978![The Andreasson Affair: The True Story of a Close Encounter of the Fourth Kind](http://cdn.ketabkoo.com/covers/12/1262637-n.jpg)
The Andreasson Affair: The True Story of a Close Encounter of the Fourth Kind
Raymond E. Fowler; J. Allen Hynek, 2014![The Edge of Reality: A Progress Report on Unidentified Flying Objects](http://cdn.ketabkoo.com/covers/12/1285120-n.jpg)
The Edge of Reality: A Progress Report on Unidentified Flying Objects
J. Allen Hynek; Jacques F. Vallée, 1976![The Hynek UFO Report: The Authoritative Account of the Project Blue Book Cover-Up](http://cdn.ketabkoo.com/covers/13/1304709-n.jpg)