Hazel sets out to prove that she, not her baby brother, is the worst monster anywhere.
When Billy Monster was born, his father said, "My son is going to grow up to be the Worst Monster in the World." However, Billy's sister Hazel proved that she was the Worst Monster in a way that older siblings can cheer. The delightful watercolor illustrations make the Monster family more lovable than scary.
A great book to begin a discussion of sibling rivalry.