Books in Science Fiction (sorted by popularity)
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Oomphel in the Sky H. Beam Piper 145 downloads
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The Devil's Asteroid Manly Wade Wellman 145 downloads
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The Holes Around Mars Jerome Bixby 145 downloads
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Prison of a Billion Years Stephen Marlowe 145 downloads
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Out of Time's Abyss Edgar Rice Burroughs 145 downloads
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Last Enemy H. Beam Piper 144 downloads
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The Onslaught from Rigel Fletcher Pratt 144 downloads
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The Big Fix George O. Smith 143 downloads
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Clean Break Roger D. Aycock 143 downloads
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Operation: Outer Space Murray Leinster 143 downloads
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This World Is Taboo Murray Leinster 142 downloads
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The Real Hard Sell William W. Stuart 142 downloads
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The Door into Infinity Edmond Hamilton 141 downloads
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Brightside Crossing Alan Edward Nourse 141 downloads
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The Machine That Saved The World Murray Leinster 140 downloads
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Pet Farm Roger D. Aycock 140 downloads
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Valley of Dreams Stanley G. Weinbaum 140 downloads
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The Vortex Blaster E. E. Smith 140 downloads
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The Weakling Everett B. Cole 140 downloads
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You Don't Make Wine Like the Greeks Did David E. Fisher 140 downloads
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Earth Alert! Kris Neville 140 downloads
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Pariah Planet Murray Leinster 140 downloads
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The Stars, My Brothers Edmond Hamilton 139 downloads
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Sentiment, Inc. Poul Anderson 139 downloads
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Gone Fishing James H. Schmitz 139 downloads