Greenmantle

Greenmantle is a fast-paced espionage and adventure novel set during the First World War. The story follows Richard Hannay as he undertakes a dangerous secret mission that leads him across Europe and into the Ottoman Empire. Along the way, he encounters spies, political intrigue, hidden identities, and a mysterious plan that could influence the course of the war. John Buchan combines suspense, travel, intelligence work, and military adventure with a strong sense of atmosphere and urgency. With its adventurous plot and resourceful characters, Greenmantle remains an important early example of the modern spy thriller and political adventure novel.