The Roaring Twenties Reference Library chronicles and illustrates a time of great social change in everything from fashion to music to politics.The Biographies volume focuses on the key figures, including minorities and women. People such as Zora Neale Hurston, Rudolph Valentino, Al Capone, Bessie Smith, Babe Ruth, Duke Ellington, Henry Ford and Langston Hughes are profiled, with special emphasis on their contributions to the 1920s.