CHALLENGE TO SCIENCE
Year:1966
Author: Jacques VALLÉE, Janine VALLÉE
Title:CHALLENGE TO SCIENCE
Language:English
Originally published as:LES PHÉNOMÈNES INSOLITES DE L'ESPACE - Translated (from the French) by Gordon CREIGHTON

1966 Henry Regnery, Chicago

The UFO Enigma

Preface: Joseph Allen HYNEK
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Year:1966
Publisher:Henry Regnery, Chicago
Description:xvii, 268 p. il
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1967 Ace Star Books

Flying Saucers A

Preface: Joseph Allen HYNEK
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Year:1967
Publisher:Ace Star Books
Description:256 p.
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1967 Neville Spearman, London

The UFO Enigma

Preface: Joseph Allen HYNEK
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Year:1967
Publisher:Neville Spearman, London
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1974 Tandem, London

The UFO Enigma

Preface: Joseph Allen HYNEK
Immagine non disponibile3
Year:1974
Publisher:Tandem, London
Description:268 p.
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1974 Ballantine, New York

The UFO Enigma

Preface: Joseph Allen HYNEK
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Year:1974
Publisher:Ballantine, New York
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1975 Ballantine, New York

The UFO Enigma

Preface: Joseph Allen HYNEK
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Year:1975
Publisher:Ballantine, New York
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1977 Ballantine, New York

The UFO Enigma

Preface: Joseph Allen HYNEK
Image not available
Year:1977
Publisher:Ballantine, New York
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1989 Ballantine, New York

The UFO Enigma

Preface: Joseph Allen HYNEK
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Year:1989
Publisher:Ballantine, New York v ed.
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Review

Title Change/Translation
CoverLanguageTitleYear
Immagine non disponibile3French LES PHÉNOMÈNES INSOLITES DE L'ESPACE (Original title) 1966
Image not availableSpanish/Catalan FENÓMENOS INSÓLITOS DEL ESPACIO
(Translated by Ximena Garcés De Arteche)		 1966
Image not availablePortuguese O ENIGMA DOS DISCOS VOADORES 1979

Image not availableJacques Vallée, 1939 age 86 years (Vallée, Jacques Fabrice)

Books of Jacques VALLÉE
CoverTitleYear
Image not available ANATOMY OF A PHENOMENON
 1965
Image not available THE HUMANOIDS
 1966
Immagine non disponibile3 PASSPORT TO MAGONIA
 1969
Image not available THE EDGE OF REALITY
 1975
Image not available THE INVISIBLE COLLEGE
 1975
Image not available UFOs: THE PSYCHIC SOLUTION
 1977
Immagine non disponibile3 MESSENGERS OF DECEPTION
 1979
Image not available DIMENSIONS
 1988
Image not available CONFRONTATIONS
 1989
Image not available REVELATIONS
 1991
Image not available UFO CHRONICLES OF THE SOVIET UNION
 1992
Image not available FORBIDDEN SCIENCE
 1992
Image not available FASTWALKER
 1996
Image not available Forbidden Science - Volume Two: Journals 1970-1979
 2008
Immagine non disponibile3 Wonders in the Sky
 2010
Image not available Forbidden Science 3
 2017