Books about Human-alien encounters -- Fiction (sorted by popularity)
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Juggernaut of Space Ray Cummings 149 downloads
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Student Body F. L. Wallace 148 downloads
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30-day wonder Richard Wilson 148 downloads
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Cry from a Far Planet Tom Godwin 146 downloads
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White spot Murray Leinster 146 downloads
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Quinquepedalian Piers Anthony 146 downloads
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Amateur in Chancery George O. Smith 146 downloads
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And we sailed the mighty dark Frank Belknap Long 146 downloads
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Aide Memoire Keith Laumer 146 downloads
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Communication Charles L. Fontenay 145 downloads
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Anything You Can Do ... Randall Garrett 144 downloads
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Satellite of Death Randall Garrett 143 downloads
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Big Stupe Charles V. De Vet 143 downloads
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The mystery of Deneb IV Robert Silverberg 142 downloads
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Prelude to Space Robert W. Haseltine 142 downloads
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Gods of Space Ray Cummings 141 downloads
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The Green World Hal Clement 140 downloads
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The Five Hells of Orion Frederik Pohl 140 downloads
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Spacemen lost George O. Smith 139 downloads
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Lunar Station Harl Vincent 139 downloads
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The Very Secret Agent Mari Wolf 138 downloads
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Try to remember! Frank Herbert 138 downloads
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The Moon Maid Edgar Rice Burroughs 138 downloads
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Terror Out of Space Leigh Brackett 138 downloads
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An eye for the ladies Stephen Marlowe 138 downloads