Toni Buzzeo is the author of the 2013 Caldecott Honor Book and New York Times bestseller One Cool Friend and many other books for children, including our own Whose Tools? and Whose Truck?
Diana Sudyka is a Chicago-based illustrator who got her start designing and screen-printing posters for musicians such as St. Vincent, Andrew Bird, and the Decemberists. She also volunteers at the Field Museum in Chicago, where Sue the T. rex is housed.