Science fiction (abbreviated SF or sci-fi with varying punctuation and case) is a broad genre of fiction that often involves sociological and technical speculations based on current or future science or technology. This is a reader-selected collection of short stories originally published between 1931 and 1963, that entered the US public domain when their copyright was not renewed.$ x, _3 L7 ~# v
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Summary by Cori Samuel, with Wikipedia input.: Q, ]! `5 e3 n: J
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