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The End of Eternity
End of eternity.jpg
Cover of the first edition
AuthorIsaac Asimov
Cover artistMel Hunter
CountryUnited States
LanguageEnglish
GenreScience fiction
PublisherDoubleday
Publication date
1955
Media typePrint (Hardcover and Paperback)
Pages191

The End of Eternity is a Hugo Award-shortlisted 1955 science fiction novel by American writer Isaac Asimov, with mystery and thriller elements on the subjects of time travel and social engineering. Its premise is that of a causal loop – a type of temporal paradox in which events and their causes form a loop.

In The End of Eternity, members of the time-changing organization Eternity seek to ensure that their own organization is founded as history says it was, by ensuring the conditions for that event happen as history says they happened. The protagonist, Andrew Harlan, is placed in a situation where he must decide whether to allow the "circle" to close and Eternity be founded, or to allow the opposite to happen and Eternity never to have existed.

Many years later, Asimov tied this novel into his broader Foundation Series, by hinting in Foundation's Edge that it is set in a universe where Eternity had existed but was destroyed by Eternals, leading to an all-human galaxy later.

Plot