Books about Human-alien encounters -- Fiction (sorted alphabetically)
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Half past Alligator Donald Colvin
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Hand Jerry Sohl
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Harwood's Vortex Robert Silverberg
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Heel Philip José Farmer
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hellflower George O. Smith
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Hellflower George O. Smith
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Helpfully Yours Evelyn E. Smith
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Hero Elaine Wilber
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"Hey Ma, Where's Willie?" I. M. Bukstein
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high ones Poul Anderson
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Hitch Hikers Vernon L. McCain
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Homecoming Horde Robert Silverberg
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Home is the Spaceman George O. Smith
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Honeymoon in bedlam Nelson S. Bond
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Hop O' My Thumb Joseph Samachson
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Huddlers William Campbell Gault
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If You Was a Moklin Murray Leinster
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Ignoble Savages Evelyn E. Smith
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I'll See You in My Dreams William Campbell Gault
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Incident on Route 12 James H. Schmitz
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Inhabited Richard Wilson
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Inside John Barth William W. Stuart
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Invader From Infinity George A. Whittington
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Invaders Murray Leinster
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invading asteroid Manly Wade Wellman