The Human Factor

When a leak is traced back to a small sub-section of SIS, it sparks off security checks, tensions and suspicions - the sort of atmosphere where mistakes could be made. This novel opens up the lonely, isolated, neurotic world of the Secret Service.

Known for his espionage thrillers set in exotic locales, Graham Greene is the writer who launched a thousand travel journalists. But although Greene produced some unabashedly commercial works -- he called them "entertainments," to distinguish them from his novels -- even his escapist fiction is rooted in the gritty realities he encountered around the globe.