"The Man with the Gun" is a classic novel written by the American writer Ernest Hemingway. This book tells the story of a young American named Frederick Henry who joins the Italian army during the First World War. Despair, fear, love and military discipline - all this is intertwined in the life of the main character during the war. The novel "The Man with a Gun" not only impresses with its frankness and realistic description of wartime, but also emphasizes the inner struggle of the hero with himself and his own beliefs. Hemingway skillfully reproduces the psychological experiences of the characters and demonstrates the importance of human relationships in the most difficult situations. By reading this novel, readers deepen their understanding of war not only as an external conflict, but also as an internal struggle against one's own demons and circumstances. "Man with a gun" leaves an indescribable impression about the nature of man and his capacity for heroism in any conditions.