O Pioneers! is a 1913 novel by American author Willa Cather, written while she was living in New York. It was her second published novel. The title is a reference to a poem by Walt Whitman entitled "Pioneers! O Pioneers!" from Leaves of Grass (1855).
O Pioneers! tells the story of the Bergsons, a Swedish immigrant family living on the Nebraska prairie. Alexandra, the oldest daughter, is a strong-willed, hardworking woman determined to keep the family together and make their farm thrive. In the face of many hardships, she finds the strength to persevere, leading to a transformation of the land and the people around her. This beautiful, timeless novel is filled with themes of family, love, courage, and perseverance, and is a must-read for anyone looking to explore the American frontier.