"Indian Summer" is a novel written by William Dean Howells, first published in 1886. It is a romantic novel set in the late 19th century that explores themes of love, marriage, and societal expectations. The novel follows the story of Theodore Colville, a middle-aged American man who travels to Italy after a failed engagement. In Italy, he encounters various characters, including Imogene Graham, a young American woman who is staying with her father in the same Italian town. Colville becomes romantically interested in Imogene, despite their age difference, and the novel delves into their evolving relationship as they navigate the complexities of love and social conventions. "Indian Summer" is known for its subtle characterization, psychological depth, and exploration of human emotions. It reflects Howells' keen observation of social mores and his interest in depicting the intricacies of interpersonal relationships. The title "Indian Summer" metaphorically suggests a period of warmth and beauty late in life, reflecting the themes of renewal and emotional fulfillment explored in the novel.