Books in Science Fiction (sorted by popularity)
- Inside Earth Poul Anderson 124 downloads
- Key Out of Time Andre Norton 123 downloads
- The Angel of the Revolution: A Tale of the Coming Terror George Chetwynd Griffith 123 downloads
- Astounding Stories of Super-Science July 1930 Various 123 downloads
- A Slave is a Slave H. Beam Piper 123 downloads
- Le Vingtième Siècle: La Vie Électrique (French) Albert Robida 123 downloads
- Equality Edward Bellamy 123 downloads
- The Space Pioneers Carey Rockwell 122 downloads
- "And That's How It Was, Officer" Ralph Sholto 122 downloads
- Triplanetary E. E. Smith 122 downloads
- Conditionally Human Walter M. Miller 122 downloads
- Giants on the Earth S. P. Meek 122 downloads
- Star Surgeon Alan Edward Nourse 120 downloads
- Pictures Don't Lie Katherine MacLean 120 downloads
- —And Devious the Line of Duty Tom Godwin 120 downloads
- Out Like a Light Randall Garrett and Laurence M. Janifer 119 downloads
- Sabotage in Space Carey Rockwell 119 downloads
- Bad Medicine Robert Sheckley 119 downloads
- Assassin Jesse F. Bone 119 downloads
- Naudsonce H. Beam Piper 118 downloads
- The Winds of Time James H. Schmitz 118 downloads
- Third Planet Murray Leinster 117 downloads
- The Creature from Cleveland Depths Fritz Leiber 117 downloads
- Hunter Patrol John J. McGuire and H. Beam Piper 117 downloads
- The Night of the Long Knives Fritz Leiber 117 downloads