Gail Carson Levine's first book for children, Ella Enchanted, was a Newbery Honor Book. Levine's other books include Ever, a New York Times bestseller; Fairest, a Best Book of the Year for Publishers Weekly and School Library Journal, and a New York Times bestseller; Dave at Night, an ALA Notable Book and Best Book for Young Adults; The Wish; The Two Princesses of Bamarre; A Tale of Two Castles; and the six Princess Tales books. She is also the author of the nonfiction books Writing Magic: Creating Stories That Fly and Writer to Writer: From Think to Ink, as well as the picture books Betsy Who Cried Wolf and Betsy Red Hoodie. Gail Carson Levine and her husband, David, live in a two-centuries-old farmhouse in the Hudson Valley of New York State.

Matthew Cordell is the Caldecott Medal–winning author-illustrator of Wolf in the Snow, as well as many other books, including King Alice and Wish. Matthew Cordell lives in Illinois, USA.