"The Studs Lonigan Trilogy" is a series of three novels written by James T. Farrell that follows the life of Studs Lonigan, a young Irish-American man growing up in the working-class neighborhoods of Chicago during the early 20th century. The trilogy consists of "Studs Lonigan," "The Young Manhood of Studs Lonigan," and "Judgment Day," exploring themes of ambition, identity, and the struggles of urban life. The narrative delves into Studs' relationships with family, friends, and women, highlighting the challenges he faces as he navigates his dreams and disappointments. Farrell's work is notable for its realistic portrayal of the American experience and its critique of social and economic conditions of the time.