Triplanetary
E. E. Doc Smith
Lensman (1)
Pirates of Venus
Edgar Rice Burroughs
Venus (1)
Blackmail
Bob McElwain
Homegoing
Frederik Pohl
The Naked Sun
Asimov, Isaac
The Master Key
L. Frank Baum
Prelude to Foundation
Isaac Asimov
Foundation (6)
Foundation's Edge
Foundation (4)
Foundation
Foundation (1)
Forward the Foundation
Foundation (7)