Double Star
Robert A. Heinlein
Winner
Hugo Award for Best Novel 1956
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Call Him Dead
Eric Frank Russell
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Not This August
Cyril M. Kornbluth
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The End of Eternity
Isaac Asimov
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The Long Tomorrow
Leigh Brackett
Robert A. Heinlein
Eric Frank Russell
Cyril M. Kornbluth
Isaac Asimov
Leigh Brackett