"The Double Traitor" is one of the greatest First World War spy novels. In the thrilling plot the main focus remains on the European political intrigues. E. Phillips Oppenheim (1866-1946) was an internationally renowned author of mystery and espionage thrillers. His novels and short stories have all the elements of blood-racing adventure and intrigue and are precursors of modern-day spy fictions.
The setting of "The Double Traitor" is the years prior to the outbreak of World War I. It is a time when Germany is outwardly preparing for war but Britain continues to believe it is invincible and that no one would challenge her. A vast German spy network flourishes in England, often in plain view. The main character is Francis Norgate, an aspiring British diplomat who falls in disfavor with his superiors for defending a woman while stationed in Berlin. The resulting scandal causes Norgate to be recalled. On the way home, he meets a German gentleman, Selingman, who claims to be a crockery salesman. But, Selingman is not what he appears to be. Disillusioned by the English government, Norgate allows himself to be recruited by Selingman...