When the Twerms Came, is a short story by British author Arthur C. Clarke published in the May 1972 edition of Playboy magazine.[1] It deals with an invasion of Earth one wet Tuesday afternoon by deadly Twerms and was published in book form in The View from Serendip and More Than One Universe collections, but was not included in the The Collected Stories of Arthur C. Clarke.
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When the Twerms Came Wikipedia(Text) CC BY-SA