Tradition 20 of 33
UFOs, extraterrestrials, and contact
UFO/UAP reports, flying saucers, extraterrestrial life, alien contact or abduction, contactees, and ancient-astronaut claims.
Membership means relevance, not endorsement.
- Books
- 1,058
- Earliest
- 1558
- to 2026
- Read free
- 22%
- 236 with public full text
- With covers
- 58%
How books qualify
- Query + metadata match981
- Metadata match69
- Query match7
- Source classification (retained through merging)1
Every placement records its evidence — the controlled subject queries that found the book at its sources and the bibliographic metadata retained through merging. Each book page shows its own. How the rationale system works.
Key subjects
- Fiction324
- Science fiction258
- Extraterrestrial beings247
- Human-alien encounters220
- Unidentified flying objects204
- UFO128
- Alien abduction101
- Short Stories92
- Physical Sciences86
- Social Sciences83
- Astronomy and Astrophysics82
- Physics and Astronomy82
- Life on other planets81
- Children's fiction80
- Sightings and encounters79
- Space Science and Extraterrestrial Life78
- Fiction, science fiction, general77
- Juvenile fiction74
- History69
- Philosophy68
- Psychology68
- Extraterrestrial beings, fiction62
- Social Psychology52
- 未確認飛行物体46
Top languages
- English771 · 73%
- German85 · 8%
- Japanese48 · 5%
- French31 · 3%
- Dutch29 · 3%
Notable authors
All authors- Jacques Vallee14 in this tradition15 books
- Katherine Applegate12 books
- M. de Fontenelle11 in this tradition12 books
- Bernard Le Bovier de Fontenelle9 in this tradition15 books
- Virgil Finlay8 in this tradition12 books
- Ed Emshwiller7 in this tradition11 books
- George Adamski7 books
- Orson Scott Card6 in this tradition8 books
- Pittacus Lore6 in this tradition7 books
- Donald E. Keyhoe6 books
- Marissa Meyer6 books
- Robert A. Heinlein6 books
1,058 books
Confrontations
Jacques Vallee
1990
Contemporary Musicians
Laura Hightower
2000
Dark intelligence
Neal L. Asher
2015
Destroyer of worlds
Larry Niven, Edward M. Lerner, Tom Weiner
2009
Different child
Sandy Nichols, Michelle Guerin, Pat McCormack-Kerr
2001
Dimensions
Jacques Vallee
1988
Earth Afire
Orson Scott Card, Aaron Johnston
2013
Earth Awakens
Orson Scott Card, Aaron Johnston
2014
Earth Unaware
Orson Scott Card, Aaron Johnston
2012
Embassytown
China Miéville, China Miville
2011
Emperor mollusk versus the sinister brain
A. Lee Martinez
2012
Encounters at Indian Head
Karl T. Pflock, Peter Brookesmith
2007
Enemy Mine
Barry B. Longyear
1986
Excalibur Briefing
T. E. Bearden
1980
Extraterrestrial Languages
Daniel Oberhaus
2019
Eye of Cat
Roger Zelazny
1982
Faces of the visitors
Kevin D. Randle
1997
False Gods (The Horus Heresy)
Graham Mcneill
2014
Fastwalker
Jacques Vallee
1996
Final Fantasy
Dean Wesley Smith
2001
Forget about tomorrow
Liz Kreger
2008
Fuzzies and Other People
H. Beam Piper
1984
Galactic pot-healer
Philip K. Dick
1969
Glimpses of Other Realities
Linda Moulton Howe
1993