Jacques F. Vallee
professional works
Professional Works
fiction
Fiction
personal research
Personal Research


Les Phénomènes Insolites de l'Espace
(Later Published as 'Challenge to Science')

First French edition

First French edition
Paris: La Table Ronde, 1966
Trade paperback

Second French edition

Second French edition
Paris: Robert Laffont, 1978
Hardcover

Canadian edition

Canadian edition
Montréal: Robert Laffont, 1978
Hardcover

Brazilian edition

Brazilian edition
Sao Paulo: Edit. Parma, 1979
Trade Paperback

Spanish edition

Spanish edition
Barcelona: Pomaire, 1967
Hardcover