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Science fiction (231)
Life on other planets › Fiction (20)
Civilization, Ancient › Extraterrestrial influences (17)
Fantasy fiction (14)
Unidentified flying objects › Sightings and encounters (11)
Space colonies › Fiction (9)
Human-alien encounters › Fiction (9)
Suspense fiction (8)
Extraterrestrial beings › Fiction (7)
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alien, aliens (36)
aliens, fiction (35)
aliens, sci-fi (31)
aliens, religion (30)
UFO, fiction (27)
aliens, weird (26)
alien, mystery (24)
adventure, alien, fantasy (23)
novel, space (22)
fantasy, space (20)
mystery, space (20)
science fiction, space travel (20)
alien, future (19)
future, space (19)
sci-fi, space (19)
Tag info: extraterrestrials
Includes: extraterrestrials, extra terrestials, extra-terrestrials (what?)
Tag and its aliases used 373 times by 124 users.
Most often tagged extraterrestrials
- Contact by Carl Sagan (16)
- Chariots of the Gods by Erich von Däniken (7)
- Behold a Pale Horse by William Cooper (4)
- The Sirius Mystery: New Scientific Evidence of Alien… by Robert Temple (4)
- Barlowe's guide to extraterrestrials by Wayne Douglas Barlowe (4)
- The Sparrow by Mary Doria Russell (3)
- A Wrinkle in Time by Madeleine L'Engle (3)
- The Stargate Conspiracy by Lynn Picknett (3)
- Journeys to the Mythical Past (Earth Chronicles… by Zecharia Sitchin (3)
- Alien Agenda: Investigating the Extraterrestrial Presence… by Jim Marrs (3)
- Company's Coming by Arthur Yorinks (2)
- Humanity's Extraterrestrial Origins (The Ultimate… by Arthur D. Horn (2)
- Gods From Outer Space by Erich von Däniken (2)
- Secret Life: Firsthand, Documented Accounts of UFO… by David M. Jacobs (2)
- The Custodians: Beyond Abduction by Dolores Cannon (2)
- Alien Base: Earth's Encounters with Extraterrestrials by Timothy Good (2)
- The Law of One Book V: Personal MaterialÐFragments… by RA (2)
- When Time Began by Zecharia Sitchin (2)
- The Field Guide to Extraterrestrials by Patrick Huyghe (2)
- Communion: A True Story by Whitley Strieber (2)