Mrs. Penrose has a secret, and Alexander H. Gory, Jr., thinks he knows just what it is. To spread the word, Alexander passes around his notebook, in which he details his proof that their mild-mannered teacher has become a blood-sucking creature of the night. The news spreads like wildfire, and soon the whole class is speculating. Will the librarian be her next victim? Can they protect themselves with garlic necklaces? ...