Books about Human-alien encounters -- Fiction (sorted by popularity)
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The Tree of Life C. L. Moore 187 downloads
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Cosmic striptease Harlan Ellison 187 downloads
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Earth Alert! Kris Neville 187 downloads
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War-Gods of the Void Henry Kuttner 186 downloads
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The prince of space Jack Williamson 186 downloads
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The Huddlers William Campbell Gault 185 downloads
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The Lonely Ones Edward W. Ludwig 184 downloads
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Student Body F. L. Wallace 184 downloads
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The Barbarians Tom Godwin 183 downloads
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The Winds of Time James H. Schmitz 181 downloads
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Diplomatic Immunity Robert Sheckley 180 downloads
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The universe wreckers Edmond Hamilton 179 downloads
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Stamped Caution Raymond Z. Gallun 179 downloads
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The Aab Edward W. Ludwig 178 downloads
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Cry from a Far Planet Tom Godwin 176 downloads
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The miniature menace Frank Belknap Long 176 downloads
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Do Unto Others Mark Clifton 175 downloads
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Weapon Jesse F. Bone 175 downloads
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Try to remember! Frank Herbert 175 downloads
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The mystery of Deneb IV Robert Silverberg 175 downloads
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The Vibration Wasps Frank Belknap Long 174 downloads
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Clean Break Roger D. Aycock 174 downloads
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Inside John Barth William W. Stuart 173 downloads
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The Invaders Murray Leinster 172 downloads
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The Sentimentalists Murray Leinster 172 downloads