Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- Today is Forever Roger D. Aycock 45 downloads
- Laboratory Jerome Bixby 45 downloads
- Solar Stiff Chas. A. Stopher 44 downloads
- Quest's End Basil Wells 43 downloads
- Fifteen Hundred Miles an Hour Charles Dixon 43 downloads
- One Against the Moon Donald A. Wollheim 43 downloads
- The Link Alan Edward Nourse 43 downloads
- The Birds of Lorrane William R. Doede 43 downloads
- Not Fit for Children Evelyn E. Smith 43 downloads
- Second Landing F. L. Wallace 43 downloads
- Hold Onto Your Body! Richard O. Lewis 43 downloads
- Exploiter's End James Causey 42 downloads
- The Klygha H. B. Fyfe 42 downloads
- The Toy Kris Neville 42 downloads
- Special Delivery Kris Neville 42 downloads
- The Almost-Men Irving E. Cox 42 downloads
- The Useless Bugbreeders James Stamers 42 downloads
- Growing up on Big Muddy Charles V. De Vet 41 downloads
- Short Snorter Charles Einstein 41 downloads
- License to Steal Louis Newman 41 downloads
- Citizen Jell Michael Shaara 40 downloads
- The Serpent River Don Wilcox 40 downloads
- To Each His Own Jack Sharkey 39 downloads
- The Smiler Albert Hernhuter 39 downloads
- The Monster That Threatened the Universe R. R. Winterbotham 39 downloads