Being a teenager is a state of mind and a culture unto itself, and here Jon Savage assesses when and where this phase of life became an institution, tracing it back to the Victorian era. Ringing with music—from ragtime to swing—this "rich, rewarding" overview (NYTBR) roams London, New York, Paris, and Berlin with hooligans and Apaches; explores free love and eternal youth; and celebrates flappers and zootsuiters, the Bright Young People, and the Lost Generation.