LibriVox recording of Short Science Fiction Collection Vol. 006.
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 and technology. This is a reader-selected collection of short stories, originally published between 1752 and 1962. Those published after 1922 entered the US public domain when their copyright was not renewed.
Summary by Cori Samuel, with Wikipedia input.
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