"Originally published in single magazine form in Batman: the mad Monk #1-6"--T.p. verso.
Summary
When a rash of bodies is found with neck wounds and all the blood drained, Batman is forced to consider the impossible--vampirism. To out the truth, he must infiltrate an organization called the Brotherhood and get close to their leader, the mysterious Monk. If he fails, the next victim may be the woman he loves.