Foundation and Earth
Isaac Asimov
Foundation (12)
Altered Carbon
Richard Morgan
Lines of Departure (Frontlines Book 2)
Marko Kloos
Frontlines (2)
Surface Detail (The Culture 9)
Iain M. Banks
The Culture (9)
Ringworld
Larry Niven
Ringworld (1)
The Ringworld Engineers
Ringworld (2)