Sentimental Tommy is a novel by J.M. Barrie. The story revolves around the life of Tommy Sandys, an imaginative and sensitive young man. As he navigates through various experiences, Tommy is forced to confront the realities of life and the consequences of his own actions. He struggles with feelings of sadness and isolation, but ultimately learns the importance of love and forgiveness. The novel is a coming-of-age story that explores the complexities of human emotions and the journey towards self-discovery.