“Flying Saucers From Outer Space”
by Donald E. Keyhoe
(NICAP.org)
The book was published by Henry Holt and Company, Inc.
(New York City) in 1953:
http://www.nicap.org/books/fsos/fsos_complete.htm
The late Major Donald Edward Keyhoe, U.S. Marine Corps,
NICAP Director, UFO Author & Researcher
(youtube.com image)
(youtube.com image)