There's trouble afoot in Regency London's Jewish community, and no one to stop the crimes-until wealthy-widower-turned-sleuth Mr. Ezra Melamed teams up with an unlikely pair: General Well'ngone and the Earl of Gravel Lane, the leaders of a gang of young Jewish pickpockets. David Salomon, a young violinist and composer, has left New York to find fame and fortune in Regency London. But disaster strikes not long after he arrives. A mysterious...