Books about Human-alien encounters -- Fiction (sorted by popularity)
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Marty the Martian Arnold Marmor 161 downloads
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Action on Azura Robertson Osborne 160 downloads
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The Snowbank Orbit Fritz Leiber 160 downloads
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The mystery of Deneb IV Robert Silverberg 160 downloads
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The Toy Kris Neville 160 downloads
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The life watch Lester Del Rey 160 downloads
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The Little Pets of Arkkhan Bill Garson 159 downloads
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The Cosmic Bluff Mack Reynolds 159 downloads
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Brknk's Bounty Jerry Sohl 159 downloads
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Stamped Caution Raymond Z. Gallun 158 downloads
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The Anglers of Arz Roger D. Aycock 158 downloads
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The Sword of Johnny Damokles Hugh Frazier Parker 157 downloads
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Retief of the Red-Tape Mountain Keith Laumer 157 downloads
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The Green World Hal Clement 157 downloads
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Lesson for Today Joel Nydahl 157 downloads
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Rough Beast Roger D. Aycock 157 downloads
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Planet of Sand Murray Leinster 157 downloads
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The Madcap Metalloids Verne Athanas 156 downloads
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Routine for a Hornet Don Berry 156 downloads
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The Blue Behemoth Leigh Brackett 156 downloads
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The Unwilling Professor Arthur Porges 156 downloads
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Today is Forever Roger D. Aycock 156 downloads
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The way out Richard Rein Smith 156 downloads
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Day of Wrath Bjarne Kirchhoff 156 downloads
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Peril of the Starmen Kris Neville 156 downloads