Books about Human-alien encounters -- Fiction (sorted by popularity)
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Tiger by the Tail Poul Anderson 172 downloads
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Problem on Balak Roger D. Aycock 172 downloads
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Girl of the Silver Sphere J. Harvey Haggard 172 downloads
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Beware, the Usurpers! Robert W. Krepps 171 downloads
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The Avenger Damon Knight 171 downloads
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The Weirdest World R. A. Lafferty 171 downloads
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A Little Knowledge R. R. Winterbotham 171 downloads
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Not Fit for Children Evelyn E. Smith 170 downloads
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The Five Hells of Orion Frederik Pohl 170 downloads
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Joe Carson's Weapon James R. Adams 170 downloads
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The eternal quest Joseph Gilbert 170 downloads
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The Lamps of the Angels Richard Sabia 168 downloads
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Who Goes There? Charles H. Davis 168 downloads
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The man who liked lions John Bernard Daley 168 downloads
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The Pure Observers B. J. Rogers 168 downloads
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Es Percipi Stephen Marlowe 167 downloads
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This World is Ours! Emil Petaja 167 downloads
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The Purple Pariah Byron Tustin 167 downloads
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When Whirlybirds Call Frank Banta 167 downloads
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Amateur in Chancery George O. Smith 166 downloads
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Spawning Ground Lester Del Rey 166 downloads
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City of the Living Flame Henry Hasse 166 downloads
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A Guest of Ganymede C. C. MacApp 166 downloads
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The Flame Breathers Ray Cummings 165 downloads
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Terror Out of Space Leigh Brackett 165 downloads