"The Power Broker" is a biography written by Robert A. Caro that focuses on the life of Robert Moses, a powerful urban planner in New York City. The book details how Moses shaped the city's infrastructure, including parks, bridges, and highways, often prioritizing his vision over public opinion and political processes. Caro's work highlights the complexities of power and its impact on urban development. It explores themes of ambition, corruption, and the consequences of unchecked authority, making it a critical examination of how one individual's influence can reshape an entire city and its communities.