Books about Life on other planets -- Fiction (sorted by popularity)
- Muck Man Fremont Dodge 82 downloads
- Paradise Planet Richard S. Shaver 82 downloads
- The Governor of Glave Keith Laumer 82 downloads
- The Rebel of Valkyr Alfred Coppel 81 downloads
- Between the dark and the daylight Algis Budrys 81 downloads
- Garden of Evil Margaret St. Clair 81 downloads
- The night of no moon H. B. Fyfe 80 downloads
- The Shipshape Miracle Clifford D. Simak 80 downloads
- Sword of Fire Robert Emmett McDowell 80 downloads
- Big Baby Jack Sharkey 79 downloads
- Skit-tree planet Murray Leinster 78 downloads
- The Timeless Ones Frank Belknap Long 78 downloads
- Way of the gods Henry Kuttner 77 downloads
- White spot Murray Leinster 77 downloads
- The Wind People Marion Zimmer Bradley 77 downloads
- Space Blackout Sam Carson 75 downloads
- Steel Giants of Chaos James R. Adams 74 downloads
- Fog of the Forgotten Basil Wells 74 downloads
- Prodigal Weapon Bill Garson 74 downloads
- The Madman From Earth Keith Laumer 74 downloads
- The Lord of Death and the Queen of Life Homer Eon Flint 74 downloads
- Black Priestess of Varda Erik Fennel 73 downloads
- Beware the Star Gods S. J. Byrne 73 downloads
- Rebels of the Red Planet Charles L. Fontenay 73 downloads
- A Pride of Islands C. C. MacApp 72 downloads