A collection of twenty classic short stories by Isaac Asimov, author of the Foundation series, featuring the definitive and only in-print version of “Nightfall”From one of history’s most influential writers of science fiction comes this collection of twenty short works of fiction, arranged in order of publication from 1941 to 1967. Compiled by Asimov himself, who prefaced each story with an introduction, it begins with “Nightfall,” the tale of a world with eternal sun that is