Books about Human-alien encounters -- Fiction (sorted alphabetically)
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PRoblem
Alan Edward Nourse
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Problem on Balak
Roger D. Aycock
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Prodigal Weapon
Bill Garson
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Project Hi-Psi
Frank Riley
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Proktols of Neptune
Henry Hasse
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Proxy Planeteers
Edmond Hamilton
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Pure Observers
B. J. Rogers
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Purple Pariah
Byron Tustin
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Quest of Thig
Basil Wells
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Quinquepedalian
Piers Anthony
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Redevelopment
George O. Smith
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Reign of the telepuppets
Daniel F. Galouye
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Remember me, Kama!
Walter Kubilius
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Repairman
Harry Harrison
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Restricted Tool
Malcolm B. Morehart
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Retief of the Red-Tape Mountain
Keith Laumer
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Return Engagement
Margaret St. Clair
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Revolt in the Ice Empire
Ray Cummings
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Revolt of the Star Men
Raymond Z. Gallun
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Rhythm rides the rocket
Bob Olsen
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Riya's Foundling
Algis Budrys
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Rockabye, Grady
David Mason
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rote Stern: Ein utopischer Roman (German)
A. Bogdanov
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Rough Beast
Roger D. Aycock
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Round-Up Time
Chester Cohen
