description: The disappearance of Mr. Milkghost's sheets prompts Mummy to investigate at the Creepy Hollow costume ball
language: English
title: Mummy Knows Best: A Mummy Dearest Creepy Hollow Whoooooooodunnit
titlecomplete: Mummy Knows Best: A Mummy Dearest Creepy Hollow Whoooooooodunnit
ratings_count: 2
publisher: Warner Juvenile Books