Frequently excluded from lists of his major works, Graham Greene’s The Ministry of Fear is often classified as genre fiction, in this case as a spy novel. Such a classification held little literary significance in Greene’s time, despite the example of Joseph Conrad’s The Secret Agent (1907), John Buchan’s Greenmantle (1915) and Somerset Maugham’s Ashenden (1928). However, Greene’s “entertainments” — notably including the highly perceptive Vietnam-novel The Quiet American (1955) and the comic Our Man in Havana (1958) — raised the status of the spy novel through the blending of his fine storytelling prowess with astute commentary on the …
Gonzalez, Christopher. "The Ministry of Fear: An Entertainment". The Literary Encyclopedia. First published 20 January 2009; last revised 30 November -1.
[http://www.litencyc.com/php/sworks.php?rec=true&UID=23517, accessed 27 April 2015.]