Books about Human-alien encounters -- Fiction
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Rough Beast
Roger D. Aycock
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Round-Up Time
Chester Cohen
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Routine for a Hornet
Don Berry
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Rx
Alan Edward Nourse
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Satellite of Death
Randall Garrett
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Satisfaction Guaranteed
Joy Leache
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Savage Galahad
Bryce Walton
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Scandalized Martians
Arnold Marmor
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Scapegoat
Richard Maples
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Secret of the Martians
Paul W. Fairman
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Sentimentalists
Murray Leinster
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Serpent River
Don Wilcox
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Shadrach"
Nelson S. Bond
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Shock Troop
Richard Bolton
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Short Snorter
Charles Einstein
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Sidewinders From Sirius
Fox B. Holden
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Sinister Invasion
Edmond Hamilton
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Slaughter on Dornell IV
Randall Garrett and Robert Silverberg
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small bears
Gene L. Henderson
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Snowbank Orbit
Fritz Leiber
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Space brat
Henry Slesar
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Spacemen lost
George O. Smith
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space visitors
Edmond Hamilton
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Spawning Ground
Lester Del Rey
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Special Delivery
Kris Neville
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