Even a child who is pure of heart And does his homework neatly May become a wolf when the wolfbane blooms And the moon is full completely Henry Count Dorkula, the geeky new kid, claims to be a vampire. Mr. Talbot, faculty sponsor of the Watson Elementary School Werewolf Club, insists that vampires don't exist (being a werewolf himself, he should know about such things), but the members of the club aren't so sure. Henry seems to have Billy Furball,...