Books about Human-alien encounters -- Fiction (sorted by popularity)
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Attitude
Hal Clement
187 downloads
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Menace From Vega
Randall Garrett and Robert Silverberg
186 downloads
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The Burnt Planet
William J. Brittain
185 downloads
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Crisis!
C. M. Kornbluth
185 downloads
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Reign of the telepuppets
Daniel F. Galouye
184 downloads
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The prince of space
Jack Williamson
184 downloads
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The Barbarians
Tom Godwin
184 downloads
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Escape Mechanism
Charles E. Fritch
183 downloads
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The Crystal Circe
Henry Kuttner
183 downloads
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The Very Secret Agent
Mari Wolf
182 downloads
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A Gift from Earth
Manly Banister
182 downloads
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The Mercurian
Frank Belknap Long
182 downloads
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Outpost on Io
Leigh Brackett
182 downloads
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"Hey Ma, Where's Willie?"
I. M. Bukstein
182 downloads
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Is That You Xeluchli?
Dick Hetschel
181 downloads
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Inside John Barth
William W. Stuart
181 downloads
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Big Stupe
Charles V. De Vet
181 downloads
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A Gift For Terra
Fox B. Holden
181 downloads
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Backlash
Winston K. Marks
180 downloads
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Advance Agent
Christopher Anvil
180 downloads
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Message From Mars
Clifford D. Simak
180 downloads
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The Little Monsters Come
Ray Cummings
180 downloads
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Hellflower
George O. Smith
179 downloads
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Combatman
John Massie Davis
179 downloads
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Meteor-Men of Mars
Harry Cord and Otis Adelbert Kline
179 downloads