'There's something I need you to help me with. When I say BOO, you say HOO. Are you ready?' Boo is little ghost who lives in a haunted house - and he is afraid of the dark. In I Say Boo, You Say Hoo, readers must help tell the story with a series of hilarious verbal and visual cues. This is a wonderful book for sharing with a single child or in a group ... and it's a little bit stinky. Be prepared for riotous laughter at story time!