Books about Human-alien encounters -- Fiction (sorted by popularity)
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The Giants From Outer Space Robert W. Krepps 245 downloads
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Manners and Customs of the Thrid Murray Leinster 244 downloads
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Weapon Jesse F. Bone 243 downloads
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The Burnt Planet William J. Brittain 243 downloads
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Message From Mars Clifford D. Simak 242 downloads
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Earthmen Ask No Quarter! Fox B. Holden 241 downloads
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The Brain Sinner Alan Edward Nourse 241 downloads
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Dawningsburgh Wallace West 239 downloads
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The overlord's thumb Robert Silverberg 239 downloads
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The Vanisher Michael Shaara 239 downloads
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Citadel of the Green Death Robert Emmett McDowell 238 downloads
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The guest rites Robert Silverberg 238 downloads
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Men Without a World Joseph Farrell 237 downloads
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Is That You Xeluchli? Dick Hetschel 236 downloads
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Strange Exodus Robert Abernathy 236 downloads
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The Double Spy Dan T. Moore 236 downloads
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Backlash Winston K. Marks 235 downloads
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War-Gods of the Void Henry Kuttner 235 downloads
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The Way Back Sam Moskowitz 235 downloads
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Crisis! C. M. Kornbluth 235 downloads
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Beast of prey Jay Williams 235 downloads
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The Pacifists Charles E. Fritch 235 downloads
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The Tree of Life C. L. Moore 235 downloads
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Woman's touch Evelyn E. Smith 234 downloads
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Prodigal Weapon Bill Garson 234 downloads