A new edition of the blockbuster book that revealed the top-secret findings of the US government about UFOs. Throughout the 1950s and 1960s, while publicly dismissing the existence of UFOs, the United States Air Force was engaged in a secret program for evaluating every report of unidentified flying objects. Under the code name, Project Blue Book, the Air Force analyzed over 13,000 incidents. The goal of this enterprise was threefold: To determine...