The Flag of Truce is a historical fiction novel written by Susan Warner and first published in 1874. The story is set during the American Civil War and follows the lives of two families, the Delafields and the Vanes. The Delafields are a wealthy New York family who support the Union cause, while the Vanes are a Southern family who sympathize with the Confederacy. The novel begins with the Delafields receiving news that their son, Guy, has been taken...