This is the most up-to-date, comprehensive guide to the study of UFOs and extraterrestrial contact in print today. With more than 5,000 entries, revealing photographs, diagrams, and commentary of experts in the field, The UFO Magazine UFO Encyclopedia draws from a database of seventeen years' worth of articles, opinion, and research on such diverse subjects as: . Alien encounters, abductions, and eyewitness accounts . Theories of time and space travel...