The first bite is only the beginning. Twenty of today's favorite writers explore the intersections between the living, dead, and undead. Their vampire tales range from romantic to chilling to gleeful-and touch on nearly every emotion in between. Neil Gaiman's vampire-poet in "Bloody Sunrise" is brooding, remorseful, and lonely. Melissa Marr's vampires make a high-stakes game of possession and seduction in "Transition." And in "Why Light?" Tanith...