Dorsai
Gordon R. Dickson
Childe Cycle (1)
Assassin's Kiss
Emery Rachelle
The Assassin's Heart (1)
Wicker Wonderland
Keith Laumer
Retief (1)
Forever Free
Joe Haldeman
Forever War (3)
The science of Discworld
Terry Pratchett & Ian Stewart & Jack Sidney Cohen
Discworld (0.0)