Treating Soho as exceptional, but also representative of London's urban transformation, Judith Walkowitz shows how the area's foreignness and porousness were key to the explosion of culture and development of modernity in the first half of the twentieth century. She draws on a vast and unusual range of sources to stitch together a rich patchwork quilt of vivid stories and unforgettable characters, revealing how Soho became a showcase for a new cosmopolitan identity.