Jane Yolen is the author of more than 300 books, including children's classics such as Owl Moon and The Devi's Arithmetic, and adult novels such as Sister Light, Sister Dark. Her books and stories have won the Nebula Award, the Caldecott Medal, the National Jewish Book Award, and many other awards and accolades. She divides her time between Massachusetts and St. Andrews, Scotland.

Rilla Alexander is an Australian illustrator and designer whose energetic and instantly likeable characters animate everything from toys and tea cups to busses and buildings.

With influences from Scandinavian textiles, Lego, Muppets and the Moomins, Rilla's art is colourful, bold and powerful. She lives in Portland, Oregon.