Donald Keyhoe publishes Flying Saucers from Outer Space
- When
- Sources
- 3 public sources

Donald Keyhoe's second UFO book appeared, built on Air Force case reports released to the press and arguing for an extraterrestrial origin. It hit bestseller lists; a CIA review called it highly distorted, and Ruppelt said its sighting details were accurate but its interpretations were not.
Sources
- OfficialReport on Book Entitled 'Flying Saucers from Outer Space' (memo, Chief, Operations Staff, OSI), 0005515977 (opens in a new tab)
- FirsthandThe Report on Unidentified Flying Objects (Edward J. Ruppelt, 1956) (opens in a new tab)
- OtherEarth vs. the Flying Saucers (1956), catalog entry citing the Keyhoe book (opens in a new tab)