"A courageous doctor and his apprentice fight to save London's poor--and discover that the hearts of men can be colder than a winter chill--in this gripping holiday mystery from New York Times bestselling author Anne Perry. Scuff has come a long way from his time as a penniless orphan scraping together a living on the banks of the Thames. Now he's studying medicine at a free clinic run by Dr. Crowe. Lately Crowe has grown distracted after witnessing...