Kelly DiPucchio (www.kellydipucchio.com) has written several children's books including The Sandwich Swap, with Queen Rania Al Abdullah, illustrated by Tricia Tusa; New York Times best-selling Grace for President, illustrated by LeUyen Pham; and Gaston, illustrated by Caldecott Honoree Christian Robinson. A graduate of Michigan State University, Kelly lives in southern Michigan with her husband and three children. Brian Biggs (www.mrbiggs.com) is the illustrator of the Frank Einstein series by Jon Scieszka; the Tinyville Town series, which he also wrote; One Beastly Beast, by Garth Nix; The Boy Who Cried Alien, by Marilyn Singer; and several other children's books. He won a Christopher Award for his work on the Shredderman series by Wendelin Van Draanen. He currently lives and rides bikes in Philadelphia with his wife and two kids.