Foundation and Empire
Isaac Asimov
Foundation (Publication Order) (2)
DW22 - The Last Continent
Terry Pratchett
Discworld (22)
Juggler of Worlds
Larry Niven
Fleet of Worlds (2)
Furies of Calderon
Jim Butcher
The Codex Alera (1)
Pegasus in Space
Anne McCaffrey
Pegasus (3)