Different blood flows in their veins--but our blood quenches their thirst. From Bram Stoker's 1897 creation of Count Dracula, portrayed as a foreign invader bent on the conquest of England, the literary vampire has symbolized the Other, whether his or her otherness arises from racial, ethnic, sexual, or species difference. Even before the bloodsucking Martians of H. G. Wells' War of the Worlds, however, popular fiction contained a few vampires...