Books about Life on other planets -- Fiction (sorted by popularity)
- Planet of Sand Murray Leinster 86 downloads
- The Toy Kris Neville 86 downloads
- Rebels of the Red Planet Charles L. Fontenay 85 downloads
- Retief of the Red-Tape Mountain Keith Laumer 85 downloads
- Survival factor Charles V. De Vet 85 downloads
- The Chemically Pure Warriors Allen Kim Lang 85 downloads
- Temptress of Planet Delight Betsy Curtis 85 downloads
- Operation Interstellar George O. Smith 85 downloads
- To make a hero Randall Garrett 84 downloads
- The Earth Quarter Damon Knight 83 downloads
- Planet of Dread Dwight V. Swain 83 downloads
- Prodigal Weapon Bill Garson 83 downloads
- World Without Glamor Stephen Marlowe 83 downloads
- Bunzo Farewell Charles V. De Vet 82 downloads
- The Desert and the Stars Keith Laumer 82 downloads
- The night of no moon H. B. Fyfe 82 downloads
- Paradise Planet Richard S. Shaver 82 downloads
- Big Baby Jack Sharkey 81 downloads
- Valkyrie from the Void Basil Wells 81 downloads
- Stranger From Space Hannes Bok 79 downloads
- Problem Planet R. R. Winterbotham 79 downloads
- Overlord of Colony Eight Robert Silverberg 78 downloads
- Rockabye, Grady David Mason 78 downloads
- Regulations Murray Leinster 78 downloads
- Fairyland planet John Silletto 77 downloads