Contact
Carl Sagan
Foundation and Empire
Isaac Asimov
Foundation (2)
Forward the Foundation
Foundation (7)
The Mote in God's Eye
Larry Niven & Jerry Pournelle
The Ghost Brigades
John Scalzi
The Last Colony
The Player of Games
Iain M. Banks
The Culture (2)
Foundation and Earth
Foundation (5)
Prelude to Foundation
Foundation (6)