Paul Hill was a well-respected NASA scientist when, in the early 1950s, he had a UFO sighting. Soon after, he built the first flying platform and was able to du

A NASA R&D engineer does “a masterful job ferreting out the basic science and technology behind the elusive UFO characteristics.” —Edgar Mitchell, Sc.D.,

Long out-of-print, Cramp's 1966 classic book on flying saucer propulsion and suppressed technology is available again. Cramp wrote Space, Gravity and the Flying

This riveting work of investigative reporting and history exposes classified government projects to build gravity-defying aircraft--which have an uncanny resemb

Could “UFOs” and “Aliens” simply be us, but from the future? This provocative new book cautiously examines the premise that extraterrestrials may instea