Friendship comes first in this hilarious Halloween story with the iconic Mouse and Bear from best selling There's a Bear on My Chair, There's a Mouse in My House and We Disagree About This Tree.

It's Halloween - woo-hoo! - and Bear is determined to scare Mouse. Mouse, however, isn't fooled by Bear's clumsy attempts to dress up . . . Bear's ghostly wail is just plain silly and his werewolf smells of wet dog. But wait! Who's knocking at the door now? Is this mysterious monster costume Bear's greatest work - or is it something else?