Monster Manners by Joanna Cole
(48 pages)

Rosie Monster looks like everyone else in her family, but she doesn't act like the rest of her family.
She's polite, friendly, helpful, even says please and thank you. Her parents are worried about her.
Rosie's friend, Prunella, tries to help her act like a polite monster acts, but to no avail. Then a situation arises that proves Rosie's un-monster-like  manners is just what is needed.