"Rifle" is a classic war novel written by the American writer Ernest Hemingway. The book tells the story of a young American soldier who joins the British army during the First World War. The author skillfully reproduces the atmosphere of war: shootings, fierce battles, despair and hope. The main character fulfills his military duty, fighting both with enemies and with his own fears and anxieties. "Rifle" is not only a book about war, but also about human fortitude, friendship, loyalty and faith in a better future. This novel leaves a deep mark in the hearts of readers, reminding of the sacrifice and heroism of those who stand on the guard of freedom and peace.