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.

Sophie Blackall has illustrated several children's books and has also animated for TV. Her books include Meet Wild Boars by Meg Rosoff, and Ruby's Wish.

Of Red Butterfly, she says, "It was such a delight to delve into ancient China. From the moment I first read this story, my mind has been dancing with red butterflies and peach blossoms, lotus pools and autumn moons, princesses and secrets." Sophie lives in New York, USA.