The UFO Files: Alien Abductions (UFO files series)
by Peter Hough, M. Kalman
ISBN 13: 9780713727975
Format: Paperback (192 pages) Publisher: Cassell Illustrated Published: 16 Sep 1999
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The New UFO Encyclopedia
by John Spencer
ISBN 13: 9780747257974
Format: Paperback (448 pages) Publisher: Headline Book Publishing Published: 03 Jul 1997
Roswell
by Rupert Matthews
ISBN 13: 9781848373624
Format: Illustrated (208 pages) Publisher: Arcturus Publishing Ltd Published: 01 Aug 2009
UFOs and Ufology: The First 50 Years
by Paul Devereux,Peter Brookesmith
ISBN 13: 9780713726572
Format: Hardcover (192 pages) Publisher: Cassell Illustrated Published: 08 Jan 1998
Why Aren't They Here?: The Question of Life on Other Worlds
by Surendra Verma
ISBN 13: 9781840468656
Format: Paperback (240 pages) Publisher: Icon Books Ltd Published: 01 May 2008 Other Format: Hardcover
The Quest for Mars: NASA scientists and Their Search for Life Beyond Earth
by Laurence Bergreen
ISBN 13: 9780002570305
Format: Hardcover (320 pages) Publisher: HarperCollins Published: 16 Oct 2000 Other Format: Paperback
Forbidden History: Prehistoric Technologies, Extraterrestrial Intervention, and the Suppressed Origins of Civilization
by J. Douglas Kenyon
ISBN 13: 9781591430452
Format: Illustrated (344 pages) Publisher: Bear & Company Published: 29 Mar 2005
UFOS & HOW TO SEE THEM
by Jenny Randles
ISBN 13: 9781854702128
Format: Paperback (144 pages) Publisher: Anaya Publishers Published: 01 Oct 1994 Other Format: Hardcover
Aliens: Why They are Here
by Bryan Appleyard
ISBN 13: 9780743256865
Format: Paperback (352 pages) Publisher: Simon & Schuster UK Published: 03 Apr 2006 Other Format: Paperback
Extraterrestrial Visitations
by Preston Dennett
ISBN 13: 9780753713044
Format: Paperback Publisher: Bounty Books Published: 09 Feb 2006
Travels in Dreamland: The Secret History of Area 51
by Philip Patton
ISBN 13: 9780752816081
Format: Paperback (512 pages) Publisher: Gollancz Published: 02 Mar 1998 Other Format: Hardcover
The Unidentified Flying Object Report 1991
by Timothy Good
ISBN 13: 9780283060694
Format: Hardcover (224 pages) Publisher: Sidgwick & Jackson Ltd Published: 01 Nov 1990 Other Format: Paperback