"Rich Man, Poor Man: Book One" is a novel by Irwin Shaw that follows the lives of two brothers, Rudy and Tom, as they navigate the challenges of wealth and poverty in mid-20th century America. The story explores their contrasting paths, with Rudy striving for success and material wealth, while Tom embraces a more modest lifestyle. The narrative delves into themes of ambition, family dynamics, and the impact of social class. As the brothers' lives unfold, their choices lead to significant consequences, shaping their destinies and relationships with others, including friends and romantic interests.