Murder has jarred London’s elite. The sons of prominent families have been found at dawn in public places, partially butchered, with strange objects stuffed in their mouths. Once again, the local magistrate turns to Sebastian St. Cyr, Viscount Devlin, for help. Moving from the gritty world of London’s docks to the drawing rooms of Mayfair, Sebastian confronts his most puzzling—and disturbing—case yet. From Publishers Weekly While appending a serial killer plot line to a historical setting is nothing new, Harris imbues what could be an overdone and tired narrative device with refreshing novelty, making his third Regency-era whodunit (after 2006's When Gods Die) a triumph. Sebastian St. Cyr, an unconventional nobleman with a talent for detection, is called in by...