Mac Barnett is the author of many beloved picture books for children, including Just Because, illustrated by Isabelle Arsenault; A Polar Bear in the Snow, illustrated by Shawn Harris; and John's Turn, illustrated by Kate. He is also the author of several books illustrated by Jon Klassen, including Sam and Dave Dig a Hole, a Caldecott Honor Book and E. B. White Read-Aloud Award winner; the shape trilogy; and The Wolf, the Duck, and the Mouse, an E. B. White Read-Aloud Award winner. Mac Barnett lives in California. < p/> Isabelle Arsenault is the creator of Alpha and the illustrator of several other picture books, including Jane, the Fox, and Me by Fanny Britt, a New York Times Book Review Best Illustrated Children's Book of the Year; Captain Rosalie by Timothé e de Fombelle; and Cloth Lullaby: The Woven Life of Louise Bourgeois by Amy Novesky. Isabelle Arsenault lives in Montreal.