20th Century Science Fiction

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…who have more extensive knowledge of the science-fiction megatext, a kind of chicken-and-egg proposition that seems much more obvious and redundant than it really is, since the megatext for science fiction is arguably broader and more varied than for any other literary genre or mode. Science fiction, more than other literary genres, is itself intensely processual; in science-fiction the dynamic interplay among writers, audiences, and conventions have operated at higher and higher rates of change.