Calculating God
Robert J. Sawyer
Hybrids
Neanderthal Parallax (3)
The Shoulders of Giants
Identity Theft
Wake
WWW Trilogy (1)
The Last Colony
John Scalzi
Old Man's War (3)
The Ghost Brigades
Old Man's War (2)
Zoe's Tale
Old Man's War (4)
The Android's Dream
The Android's Dream (1)
The God Engines
Old Man's War
Old Man's War (1)
Pluto Tells All
The Sagan Diary
Agent to the Stars
After the Coup
Fifteen Hours
Mitchel Scanlon
Imperial Guard (1)
Descent of Angels
The Horus Heresy (6)
Channeling Cleopatra
Elizabeth Ann Scarborough
Cleopatra (1)
Cleopatra 7.2
Cleopatra (2)
The Matter at Hand
Lawrence M. Schoen