Phyllis Root is the author of numerous books for children, including Sam Who Went to Sea (9781844285570), Lucia and the Light (9780763622961) and Big Mama Makes the World (9780744573824). She teaches a writing class, and loves to read, camp and sail in her spare time. She lives in a 100-year-old house in Minnesota, USA, with her family. Matthew Cordell has illustrated several books for children. Toot Toot Zoom! is his first book for Walker. He lives with his wife in the suburbs of Chicago, USA.