Burgess wrote more about Enderby than any other character. He appears in four novels, having, like Sherlock Holmes, to be resurrected after fictional death to placate his admirers. It is evident that Enderby, though a repugnant character in many ways, gained a level of approval seldom accorded to Burgess’s characters, even by his admirers. The first appearance of Enderby, in the novel Inside Mr Enderby (1963), established the character who was to appear in a further three novels in increasingly bizarre circumstances.
The opening of Inside Mr Enderby is an extended conceit based on the idea of a time-travelling academic from some far distant future,(employed, we discover at the end of The Clockwork …
Spence, Rob. "Inside Mr Enderby". The Literary Encyclopedia. First published 01 November 2007
[https://www.litencyc.com/php/sworks.php?rec=true&UID=4457, accessed 16 January 2018.]