The Old Men at the Zoo is a novel written by Angus Wilson, first published in 1961 by Secker and Warburg and by Penguin books in 1964.

It was adapted, with many changes – nuclear bombing of London, not present in the novel, is added – into a 1983 BBC Television serial by the scriptwriter Troy Kennedy Martin.

[1] The book deals with events before a nuclear attack on London during a (presumably) limited nuclear war, which results in the imposition of a later post-apocalyptic pan-European dystopian dictatorship, until rescue arrives for the prisoners at the zoo, transformed into a concentration camp.

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