Carpe Jugulum - (Discworld Novel 23)
Mightily Oats has not picked a good time to be priest. Now he's caught up in a war between vampires and witches. Magrat, who is trying to combine witchcraft and nappies, Nanny Ogg ... Mightily Oats knows he has a prayer, but he wishes he had an axe.Carpe Jugulum is Terry Pratchett's twenty-third Discworld novel - but the first to star vampires.