Peter Stein is an award-winning writer and designer in the social expression industry and has written numerous children's books and gift books. He lives in Northern California with his wife and two children. Chris Gall is the award-winning author and illustrator of Revenge of the Dinotrux, Substitute Creacher, Dear Fish, There's Nothing to Do on Mars, and Dinotrux, a Publishers Weekly Best Children's Book of 2009. His books have received numerous starred reviews and awards including a Borders Original Voices for Dear Fish and a Kirkus Reviews Best Children's Book for There's Nothing to Do on Mars. He lives in Tucson, Arizona.