Books about Human-alien encounters -- Fiction (sorted by popularity)
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PRoblem
Alan Edward Nourse
158 downloads
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Madmen of Mars
Erik Fennel
157 downloads
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Retief of the Red-Tape Mountain
Keith Laumer
157 downloads
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Asteroid of the Damned
Frederik Pohl and Dirk Wylie
156 downloads
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A Planet for Your Thoughts
James Norman
156 downloads
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City of the Living Flame
Henry Hasse
156 downloads
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The Serpent River
Don Wilcox
155 downloads
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A Guest of Ganymede
C. C. MacApp
155 downloads
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Today is Forever
Roger D. Aycock
155 downloads
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Lunar Station
Harl Vincent
154 downloads
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The Fool
David Mason
154 downloads
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Shock Troop
Richard Bolton
153 downloads
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Planet of Sand
Murray Leinster
153 downloads
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Lorelei
Charles V. De Vet
153 downloads
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The Third Little Green Man
Damon Knight
152 downloads
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Beyond Light
Nelson S. Bond
151 downloads
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The Hitch Hikers
Vernon L. McCain
151 downloads
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The eternal quest
Joseph Gilbert
151 downloads
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The Conquistadors Come
Mary Elizabeth Counselman
150 downloads
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Export Commodity
Irving E. Cox
150 downloads
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Cosmic Tragedy
Thomas S. Gardiner
149 downloads
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Under the Skin
Leslie Perri
148 downloads
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The Plotters
Richard S. Shaver
148 downloads
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The vanguard of Venus
Landell Bartlett
148 downloads
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The small bears
Gene L. Henderson
148 downloads
