The Consuming Fire (Book 2)
John Scalzi
The Interdependency (2)
Robots e imperio
Isaac Asimov
Fundación (5)
Ancillary Justice (Imperial Radch Book 1)
Ann Leckie
Imperial Radch (1)
A Case of Conscience
James Blish
The demon-haunted world: science as a candle in the dark
Carl Sagan