Books about Human-alien encounters -- Fiction (sorted by popularity)
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The eternal quest
Joseph Gilbert
145 downloads
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The Time-Techs of Kra
Max C. Sheridan
145 downloads
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Traitor's Choice
Paul W. Fairman
144 downloads
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Proktols of Neptune
Henry Hasse
144 downloads
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Proxy Planeteers
Edmond Hamilton
144 downloads
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I'll See You in My Dreams
William Campbell Gault
144 downloads
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The invading asteroid
Manly Wade Wellman
144 downloads
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The Monster That Threatened the Universe
R. R. Winterbotham
144 downloads
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Arcturus Times Three
Jack Sharkey
143 downloads
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The Madcap Metalloids
Verne Athanas
143 downloads
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A Zloor for Your Trouble!
Mack Reynolds
143 downloads
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The Man From Siykul
Richard Wilson
143 downloads
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Beast of prey
Jay Williams
142 downloads
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Fine Feathers
George O. Smith
142 downloads
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Master Race
Richard Ashby
142 downloads
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Steel Giants of Chaos
James R. Adams
142 downloads
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Unwelcomed Visitor
Joseph Samachson
142 downloads
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Threlkeld's Daughter
James Bell
142 downloads
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The leaf
Robert F. Young
142 downloads
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The Hero
Elaine Wilber
142 downloads
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Round-Up Time
Chester Cohen
142 downloads
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Problem on Balak
Roger D. Aycock
142 downloads
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The Little Pets of Arkkhan
Bill Garson
141 downloads
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Big Stupe
Charles V. De Vet
141 downloads
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PRoblem
Alan Edward Nourse
141 downloads