Books about Extraterrestrial beings -- Fiction
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D-99: a science-fiction novel
H. B. Fyfe
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Doorstep
Keith Laumer
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Double Take
Wilson Parks Griffith
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Earthman
Irving E. Cox
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End as a Hero
Keith Laumer
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Ethicators
Willard Marsh
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Exploiter's End
James Causey
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Export Commodity
Irving E. Cox
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Extracts from the Galactick Almanack: Music Around the Universe
Laurence M. Janifer
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Feet of Clay
Robert Hoskins
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Fifteen Hundred Miles an Hour
Charles Dixon
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Final Glory
Henry Hasse
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Founding Father
Jesse F. Bone
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Gift Bearer
Charles L. Fontenay
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green girl
Jack Williamson
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Green Grew the Lasses
Ruth Laura Wainwright
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Green World
Hal Clement
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Growing up on Big Muddy
Charles V. De Vet
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guest rites
Robert Silverberg
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Half past Alligator
Donald Colvin
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Hold Onto Your Body!
Richard O. Lewis
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If You Was a Moklin
Murray Leinster
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Indirection
Everett B. Cole
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Invader
Alfred Coppel
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Islands of Space
Jr. John W. Campbell
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