Books about Human-alien encounters -- Fiction (sorted by popularity)
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Problem on Balak Roger D. Aycock 142 downloads
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A Guest of Ganymede C. C. MacApp 141 downloads
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Child of the Sun Leigh Brackett 141 downloads
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The Vegans Were Curious Winston K. Marks 141 downloads
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The way out Richard Rein Smith 141 downloads
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The guest rites Robert Silverberg 140 downloads
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Leave, Earthmen—Or Die! John Massie Davis 140 downloads
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The Serpent River Don Wilcox 140 downloads
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Anything You Can Do ... Randall Garrett 140 downloads
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Meteor-Men of Mars Harry Cord and Otis Adelbert Kline 140 downloads
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The Sweeper of Loray Robert Sheckley 140 downloads
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The Thing in the Truck Stephen Marlowe 139 downloads
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Planet of No-Return Wilbur S. Peacock 139 downloads
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A Little Knowledge R. R. Winterbotham 139 downloads
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Ultimatum Roger D. Aycock 139 downloads
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Come Into My Brain! Robert Silverberg 138 downloads
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Action on Azura Robertson Osborne 138 downloads
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The Galactic Ghost Mack Reynolds 137 downloads
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The Catspaw George O. Smith 137 downloads
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Lair of the Dragonbird Robert Silverberg 137 downloads
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Reign of the telepuppets Daniel F. Galouye 137 downloads
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The Little Monsters Come Ray Cummings 137 downloads
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Out of Mind William W. Stuart 137 downloads
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The Ignoble Savages Evelyn E. Smith 137 downloads
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The Madman From Earth Keith Laumer 137 downloads