The Consuming Fire (Book 2)
John Scalzi
The Interdependency (2)
Ringworld
Larry Niven
Ringworld (1)
Leviathan
Scott Westerfeld
Leviathan (1)
Los robots del amanecer
Isaac Asimov
Fundación (4)
The demon-haunted world: science as a candle in the dark
Carl Sagan