Books about Human-alien encounters -- Fiction (sorted by popularity)
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A Gift from Earth
Manly Banister
136 downloads
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The Madman From Earth
Keith Laumer
136 downloads
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Shock Troop
Richard Bolton
136 downloads
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Manners and Customs of the Thrid
Murray Leinster
135 downloads
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Advance Agent
Christopher Anvil
135 downloads
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The Invaders
Murray Leinster
135 downloads
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Citadel of the Star Lords
Edmond Hamilton
135 downloads
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Peril of the Blue World
Robert Abernathy
135 downloads
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The Good Seed
Mack Reynolds
135 downloads
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Combatman
John Massie Davis
135 downloads
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Grounded
William Sambrot
135 downloads
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Operation Terror
Murray Leinster
134 downloads
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The Five Hells of Orion
Frederik Pohl
134 downloads
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Message From Mars
Clifford D. Simak
134 downloads
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The Winds of Time
James H. Schmitz
133 downloads
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From outer space
Robert Zacks
133 downloads
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Madmen of Mars
Erik Fennel
132 downloads
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Quinquepedalian
Piers Anthony
131 downloads
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Woman's touch
Evelyn E. Smith
131 downloads
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The Martian
Allen Glasser and A. R. Hilliard
131 downloads
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Heel
Philip José Farmer
131 downloads
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The Huddlers
William Campbell Gault
131 downloads
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Homecoming Horde
Robert Silverberg
131 downloads
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Once a Greech
Evelyn E. Smith
130 downloads
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Lunar Station
Harl Vincent
129 downloads
