Book about people finding out they are on some kind of space 'ark'
47861
A sci-fi book or TV show about a tribesman discovering he or she actually lives in a huge spaceship
35707
SF novel about one-way scientific expedition to inhabited planet, where telepathic aliens "talk" sort of ++like this++ and ~*~this~*~
98407
Looking for a (short?) story about a cryo ship looking for habitable planets
28892
Time Travel Book featuring dinosaurs, cave people, and children
134762
SF novel about crashed pilot
17712
Short story about aliens that are parts of a spaceship
81680
Story featuring smart people sent on a space mission to nowhere
85251
Tracking down an old sci-fi book
116839
Novel about alien species made of gas rings?
118194
Looking for the title of a book about alien invasion, mining asteroids and using lasers to defend earth
85547
Does anyone remember the title of a book where single-celled organisms save some astronauts?
31439
Book series my dad told me about. It involves space travel, clones, and an indigenous people with kangaroo tails
17179
80's (or earlier) book about a role-playing group getting sucked into a new realm
81413
A book about explorers stranded on a planet with two computers
26358
Book about ancient Martian astronauts being the root of modern humanity and time travel
26391
SF Story about human adapting to alien environment
101398
Book about two alien castes, alien hand modification