Books in Science Fiction
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Revolution
Mack Reynolds
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Revolutions of Time
Jonathan Dunn
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Rex Ex Machina
Frederic Max
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Right Time
John Berryman
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Ring Once for Death
Robert Arthur
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Ripeness is All
Jesse Roarke
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Rip Foster in Ride the Gray Planet
Harold L. Goodwin
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Rip Foster Rides the Gray Planet
Harold L. Goodwin
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Risk Profession
Donald E. Westlake
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Riya's Foundling
Algis Budrys
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Rough Beast
Roger D. Aycock
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Round-and-Round Trip
H. B. Fyfe
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Runaway
Joseph Samachson
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Runaway Asteroid
Michael D. Cooper
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Runaway Skyscraper
Murray Leinster
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R.U.R. (Czech)
Karel Čapek
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Sabotage in Space
Carey Rockwell
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Sales talk
Con Blomberg
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Salvage in Space
Jack Williamson
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Sand Doom
Murray Leinster
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Saracen: Land of the Infidel
Robert Shea
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Saracen: The Holy War
Robert Shea
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Sargasso of Space
Edmond Hamilton
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Satellite System
H. B. Fyfe
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Satisfaction Guaranteed
Joy Leache
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