Books about Extraterrestrial beings -- Fiction (sorted by popularity)
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D-99: a science-fiction novel
H. B. Fyfe
184 downloads
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Feet of Clay
Robert Hoskins
184 downloads
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That worlds may live
Nelson S. Bond
182 downloads
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Meeting of the Minds
Robert Sheckley
182 downloads
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The Sword
Frank Quattrocchi
181 downloads
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The Measure of a Man
Randall Garrett
180 downloads
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End as a Hero
Keith Laumer
180 downloads
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Out Around Rigel
Robert H. Wilson
179 downloads
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One Against the Moon
Donald A. Wollheim
177 downloads
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Doorstep
Keith Laumer
174 downloads
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A Bad Day for Vermin
Keith Laumer
172 downloads
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The Next Time We Die
Robert Moore Williams
172 downloads
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The green girl
Jack Williamson
172 downloads
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Birds of a Feather
Robert Silverberg
171 downloads
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Community Property
Alfred Coppel
171 downloads
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The Klygha
H. B. Fyfe
171 downloads
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The Earthman
Irving E. Cox
171 downloads
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Operation Terror
Murray Leinster
170 downloads
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Circus
Alan Edward Nourse
170 downloads
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Exploiter's End
James Causey
169 downloads
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Prelude to Space
Robert W. Haseltine
168 downloads
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Alien Offer
Al Sevcik
165 downloads
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The Test Colony
Winston K. Marks
165 downloads
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The Green World
Hal Clement
162 downloads
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Beside the golden door
Henry Slesar
162 downloads
