Books about Life on other planets -- Fiction (sorted alphabetically)
- Citadel of the Green Death Robert Emmett McDowell
- Creatures That Time Forgot Ray Bradbury
- Critical difference Murray Leinster
- Cultural Exchange Keith Laumer
- Dancers Margaret St. Clair
- Deathworld Harry Harrison
- Desert and the Stars Keith Laumer
- Devolutionist and the Emancipatrix Homer Eon Flint
- Distress Signal Ross Rocklynne
- Earthman on Venus (Originally titled "The Radio Man") Ralph Milne Farley
- Earth Quarter Damon Knight
- Eight Keys to Eden Mark Clifton
- Emancipatrix Homer Eon Flint
- Ethic of the Assassin Hayden Howard
- Exploration Team Murray Leinster
- Fairyland planet John Silletto
- fighting man of Mars Edgar Rice Burroughs
- fixer George O. Smith
- Flying Tuskers of K'niik-K'naak Jack Sharkey
- Fog of the Forgotten Basil Wells
- Fool David Mason
- Forever We Die! Stephen Marlowe
- Frozen Planet Keith Laumer
- Galactic Patrol E. E. Smith
- Gambler's World Keith Laumer