Books about Extraterrestrial beings -- Fiction (sorted by popularity)
- Man of Many Minds E. Everett Evans 105 downloads
- Savage Galahad Bryce Walton 104 downloads
- Extracts from the Galactick Almanack: Music Around the Universe Laurence M. Janifer 102 downloads
- Common Denominator John D. MacDonald 98 downloads
- Meeting of the Minds Robert Sheckley 98 downloads
- Boarding party Robert F. Young 98 downloads
- Keep Your Shape Robert Sheckley 98 downloads
- Ten From Infinity Paul W. Fairman 98 downloads
- End as a Hero Keith Laumer 95 downloads
- The Invader Alfred Coppel 94 downloads
- Second Landing F. L. Wallace 92 downloads
- The guest rites Robert Silverberg 91 downloads
- One Against the Moon Donald A. Wollheim 91 downloads
- Not Fit for Children Evelyn E. Smith 91 downloads
- D-99: a science-fiction novel H. B. Fyfe 90 downloads
- Growing up on Big Muddy Charles V. De Vet 89 downloads
- Operation Terror Murray Leinster 88 downloads
- Laboratory Jerome Bixby 87 downloads
- The Vegans Were Curious Winston K. Marks 87 downloads
- Amateur in Chancery George O. Smith 86 downloads
- Alien Minds E. Everett Evans 85 downloads
- Peacemaker Alan Edward Nourse 85 downloads
- Birds of a Feather Robert Silverberg 84 downloads
- Exploiter's End James Causey 83 downloads
- On the Fourth Planet Jesse F. Bone 83 downloads