In Victorian London, a new kind of criminal is terrorizing the city's most vulnerable denizens. With the London Detective Police still in its infancy, Inspector Owen Endersby pursues a killer so depraved that the inspector must turn away from his own moral compass, risking his career and more to catch a monster. Jon Redfern has won two Arthur Ellis Awards for his Inspector Enderby series, set in early Victorian London. This third Enderby may be the best one yet.