The Man Who Knew Too Much is a book of detective stories by English writer G. K. Chesterton. It contains eight connected short stories about "The Man Who Knew Too Much", and unconnected stories featuring other heroes/detectives. The United States edition contains one of these additional stories: "The Trees of Pride", while the United Kingdom edition contains "Trees of Pride" and three shorter stories: "The Garden of Smoke", "The Five of Swords" and "The Tower of Treason".