Margins
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American writer best known for his books about UFOs and other paranormal phenomena. His 1956 book They Knew Too Much About Flying Saucers introduced the notion of the Men in Black to UFO folklore.
The Strange Case of Milton William Cooper
2018
The Secret Terror Among Us
1983
The Strange Case of Valiant Thor
2016
Nazi UFOs, Alien Abduction, Project Bluebeam, and Other High-Tech Horrors from the X-Files of Saucerian Press
2016
German Secret Weapons, UFOs, and the Hitler/Hollow Earth Connection
2014
2014
2008
2014
1956