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
- 1,014
- Earliest
- 1687
- to 2026
- Read free
- 20%
- 201 with public full text
- With covers
- 56%
How books qualify
- Query + metadata match938
- Metadata match68
- 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
- Fiction319
- Science fiction255
- Extraterrestrial beings242
- Human-alien encounters220
- Unidentified flying objects200
- UFO127
- Alien abduction100
- Short Stories92
- Physical Sciences86
- Social Sciences83
- Astronomy and Astrophysics82
- Physics and Astronomy82
- Life on other planets79
- Space Science and Extraterrestrial Life78
- Children's fiction77
- Fiction, science fiction, general77
- Sightings and encounters77
- Juvenile fiction72
- History68
- Philosophy67
- Psychology67
- Extraterrestrial beings, fiction60
- Social Psychology52
- 未確認飛行物体46
Top languages
- English752 · 74%
- German80 · 8%
- Japanese48 · 5%
- Dutch29 · 3%
- Italian21 · 2%
Notable authors
All authors- Jacques Vallee14 in this tradition15 books
- Katherine Applegate11 books
- Virgil Finlay8 in this tradition12 books
- Bernard Le Bovier de Fontenelle8 in this tradition11 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
- 南山, 宏5 in this tradition9 books
1,014 books
Astrology: Science or Superstition?
H. J. Eysenck, D.K.B. Nias
1982
Coming Back To Life: The After-Effects of the Near-Death Experience
P. M. H. Atwater
1988
Communication with Extraterrestrial Intelligence
1979
Consciousness Beyond Life: The Science of the Near-Death Experience
van Lommel P
2010
ESP and parapsychology : a critical reevaluation
C. E. M. Hansel
1980
Extrasensory Ecology: Parapsychology and Anthropology
Joseph K. Long
1977
Extraterrestrial Altruism
Douglas A. Vakoch
2013
Extraterrestrial Intelligence and Human Imagination
John W. Traphagan
2014
Final report of the scientific study of unidentified flying objects
University of Colorado, Edward Uhler Condon
1969
Flying Saucers
Leon Davidson
1957
Flying saucers
Georg Unger
1958
Geimskipsmáninn dularfulli
Don Wilson, Gissur Ó. Erlingsson
1981
Imagine Heaven: Near-Death Experiences, God's Promises, and the Exhilarating Future That Awaits You
John J. Burke
2015
Imminent Science
G. F. Bignami
2014
Journey into the Light: Exploring Near-Death Experiences
Richard Abanes
1996
Light & death : one doctor's fascinating account of near-death experiences
Michael Sabom
2011
Lonely Minds in the Universe
Giancarlo Genta
2007
Making Contact: Jill Tarter and the Search for Extraterrestrial Intelligence
Sarah Scoles
2017
McX
1997
Messages from the stars: Communication and contact with extraterrestrial life
Ian Ridpath
1978
Mindsight: Near-Death and Out-of-Body Experiences in the Blind
Kenneth Ring, Sharon O. Cooper
1999
Near-Death Experiences: Understanding Visions of the Afterlife
John Martin Fischer, Benjamin Mitchell-Yellin
2016
New UFO breakthrough
Brad Steiger, Joan Whritenour
1968
PSI: What It is and How It Works; A Central Model for Parapsychology
Keith Chandler
2001