Interplanetary sci-fi book featuring a ring with an illegal operating system
75740
90s/2000s book with space soldier is fighting rebels. Then joins rebels who have alien tech
98562
Story about spaceship and a tool
146574
Help finding a sci-fi book with a small space ship
42481
Desperately searching for sci-fi book with Cube on cover; characters killed off until one couple remains
78200
Looking for title/author of SF novel about malevolent creatures/gods residing inside stars
116812
Book: Brain swapping, alien conspiracy, space cruise
156747
Book series with a double planet system and poisonous bubbles that float around
68229
Mysterious contact by advanced aliens; leaves humans insane
67028
Identification: a story about an entire spaceship converted to anti-matter
48420
Story with a supercomputer with a God complex
29564
Trying to remember a book about a human male travelling to alien planet
51376
1970s (?) sci-fi book based on Hinduism/Buddhism
17389
Need help recalling name of sci-if story about earth evolving into electronic life forms
94161
Trying to remember title of a book about people on an asteroid/comet
66763
A story both SF and Fantasy where a character in a spacesuit has a phantom arm
31439
Book series my dad told me about. It involves space travel, clones, and an indigenous people with kangaroo tails
45497
Story about a deadly alien creature on another planet that has some chemical in its body that makes it faster