When we first meet Renfield in Dracula, he is a tortured soul in decline, a fly-gobbling, Scripture-quoting lunatic who acts as a haunted harbinger of Dracula's arrival in England. At the novel's climax, readers discover that Renfield, under restraint in the asylum of Dr. John Seward, has been in psychic communication with Dracula all along, acting as his eyes and ears in expectation of unspeakable rewards. Now, in an ingenious work of fiction, author...