From the back of the book: The Metropolis Sourcebook contains the essential information you need to know about the City of Tomorrow and the people who walk its streets. Inside you will find: Descriptions of some of the city's most notable locations and organizations. Details on over 100 heroes, villains, and ordinary people of the city. New and optional rules and powers. Advanced equipment creation rules, including an armory of some of the most sophisticated powered armor seen in the city. Tips on designing a super-heroic city. A Mxyzptlk-ed-up adventure with a Fifth Dimensional twist on toy crazes.