Other People: A Mystery Story (1981), Martin Amis’s fourth novel, pursues the concern with doubles evident in his second and third novels, Dead Babies (1975) and Success (1978), but also marks six intriguing, interrelated new departures. In Dead Babies the double was that of the veneered Quentin and the vicious Johnny, who turned out to be the same person; in Success, the doubles were foster-brothers, the uncouth Terry and the urbane Gregory, who exchanged qualities as the novel proceeded, and their two damaged and doomed sisters, Terry’s sister Rosie and Gregory’s sister Ursula. In Other People the protagonist, who bears some likeness, in her vulnerability and incapacity, to …
Tredell, Nicolas. "Other People". The Literary Encyclopedia. First published 07 May 2011; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=10624, accessed 28 April 2015.]