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. "A monstrously wonderful a addition to any picture book collection."--School Library Journal.
| ISBN: | 9780688078164 |
| Publication date: | 23rd May 1988 |
| Author: | Pat Hutchins |
| Illustrator: | Pat Hutchins |
| Publisher: | Greenwillow Books an imprint of HarperCollins |
| Format: | Paperback |
| Pagination: | 32 pages |