Challenge to Science: UFO Enigma by Jacques Vallee PB G-495

"Challenge to Science: UFO Enigma" by Jacques Vallee is a UFO-themed paperback book published by Ballantine Books in 1977. The book delves into the mysterious world of UFOs, challenging scientific beliefs and offering a unique perspective on the phenomenon. With a focus on UFOlogy and science, this third printing edition in English continues to intrigue readers with its exploration of unexplained aerial phenomena. A must-have for those interested in the enigma of UFOs and the broader topic of science. See pictures for condition and if you have any questions message me.