Martin Waddell has written more than one hundred books for children and young adults. Among them is the best-selling series about Big Bear and Little Bear, illustrated by Barbara Firth. He lives in Newcastle, Northern Ireland. Barbara Firth began drawing when she was three years old. Since then, she has illustrated numerous award-winning picture books, including the Big Bear and Little Bear series, written by Martin Waddell. She lives in Middlesex, England.