Books about Extraterrestrial beings -- Fiction (sorted by popularity)
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And Then the Town Took Off
Richard Wilson
152 downloads
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Savage Galahad
Bryce Walton
152 downloads
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30-day wonder
Richard Wilson
152 downloads
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D-99: a science-fiction novel
H. B. Fyfe
151 downloads
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End as a Hero
Keith Laumer
150 downloads
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The Measure of a Man
Randall Garrett
149 downloads
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Trajectory to Taurus
Les Cole
148 downloads
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Doorstep
Keith Laumer
147 downloads
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Birds of a Feather
Robert Silverberg
147 downloads
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Sweet Tooth
Robert F. Young
147 downloads
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To Each His Own
Jack Sharkey
145 downloads
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Planet of the Gods
Robert Moore Williams
140 downloads
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Citadel of the Star Lords
Edmond Hamilton
138 downloads
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The Winds of Time
James H. Schmitz
137 downloads
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A Transmutation of Muddles
H. B. Fyfe
135 downloads
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On the Fourth Planet
Jesse F. Bone
133 downloads
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Special Delivery
Kris Neville
133 downloads
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The Test Colony
Winston K. Marks
132 downloads
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The Course of Logic
Lester Del Rey
132 downloads
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Operation Terror
Murray Leinster
131 downloads
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Alien Minds
E. Everett Evans
131 downloads
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The Invader
Alfred Coppel
131 downloads
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Peacemaker
Alan Edward Nourse
130 downloads
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Circus
Alan Edward Nourse
130 downloads
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Founding Father
Jesse F. Bone
129 downloads
