Judy Sierra is a former children's librarian who holds a PhD in folklore from UCLA. Well known for her retellings of classic stories and her offbeat, kid-friendly humor, she has written a number of children's books, including Wild About Books and Antarctic Antics. She lives in Eugene, Oregon. Pascale Constantin drew her first monster when she was very young. She has since illustrated many children's books, including Little Monster and Dan's Bad Dream. She lives in Montreal, Canada.