"A Farewell to Arms" is a novel by Ernest Hemingway set during World War I. It follows the story of Frederic Henry, an American ambulance driver in the Italian army, who experiences the harsh realities of war. The narrative explores themes of love, loss, and the impact of conflict on human relationships. The central relationship in the story is between Frederic and Catherine Barkley, a British nurse. Their love develops amidst the chaos of war, highlighting the struggle to find meaning and connection in a tumultuous world. The novel ultimately reflects on the futility of war and the fragility of life.