Anne Perry's spellbinding Victorian mysteries, especially those featuring William Monk, have enthralled readers for a generation. The Plain Dealer calls Monk "a marvelously dark, brooding creation"--and, true to form, this masterpiece is as deceptively deep and twisty as the Thames. As commander of the River Police, Monk is accustomed to violent death, but the mutilated female body found on Limehouse Pier one chilly December morning moves him with...