Batman has been one of the world’s most beloved superheroes since his first appearance in Detective Comics #27 in 1939. Clad in his dark cowl and cape, he has captured the imagination of millions with his single-minded mission to create a better world for the people of Gotham City by fighting crime, making use of expert detective skills, high-tech crime-fighting gadgets, and an extensive network of sidekicks and partners. But why has this self-made hero enjoyed such enduring popularity? And why...