Books about Human-alien encounters -- Fiction (sorted by popularity)
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Heel Philip José Farmer 118 downloads
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Woman from another planet Frank Belknap Long 118 downloads
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The Invaders Murray Leinster 117 downloads
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The invading asteroid Manly Wade Wellman 117 downloads
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Message From Mars Clifford D. Simak 116 downloads
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Common Denominator John D. MacDonald 116 downloads
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Tiger by the Tail Poul Anderson 116 downloads
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The Third Little Green Man Damon Knight 116 downloads
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Monster of the Asteroid Ray Cummings 116 downloads
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The Unprotected Species Melvin Sturgis 115 downloads
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Rough Beast Roger D. Aycock 115 downloads
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The Snowbank Orbit Fritz Leiber 115 downloads
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Laboratory Jerome Bixby 115 downloads
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Come Into My Brain! Robert Silverberg 115 downloads
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The Vilbar Party Evelyn E. Smith 114 downloads
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License to Steal Louis Newman 114 downloads
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Advance Agent Christopher Anvil 114 downloads
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Homecoming Horde Robert Silverberg 114 downloads
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Citadel of the Star Lords Edmond Hamilton 114 downloads
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Not Snow Nor Rain Miriam Allen De Ford 114 downloads
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Boy meets dyevitza Robert F. Young 114 downloads
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The Planet That Time Forgot Donald A. Wollheim 114 downloads
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Cry from a Far Planet Tom Godwin 113 downloads
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The Thought-Men of Mercury R. R. Winterbotham 113 downloads
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Child of the Sun Leigh Brackett 113 downloads