The UFO Encyclopedia, 4th Ed. Volume 1

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The UFO Encyclopedia by Jerome Clark has been the definitive reference for UFO research and phenomena for over 30 years.

This updated edition builds on its legacy with over 1,700 pages of research, new discoveries, and updated entries. It explores every facet of UFO phenomena, including detailed entries on sightings, investigations, conspiracy theories, and close encounters. It contextualizes the most significant UFO-related events, such as government disclosure programs and the release of declassified documents in the United States, Brazil, and other countries. New entries enrich the historical narrative and provide the latest perspectives on this fascinating field of study.

Authored by Jerome Clark, one of the world's foremost experts on UFOs, this encyclopedia has been meticulously crafted to serve as the ultimate resource for researchers, libraries, and enthusiasts alike.