JENNIFER LIBERTS decided to be a children's book writer when she was in elementary school. She is the author of many books for kids, including Go, Go, Cars! and Go, Go, Trucks! She lives in Portland, Oregon, with her husband, three children, two fluffy cats, and a big silly dog. MIKE YAMADA is a multidisciplinary problem solver with 12 years of experience across film, animated movies, games, and themed spaces. He is a production designer at Walt Disney Animation and the illustrator of eight children's books. He currently resides in Los Angeles with his cat. In his spare time, he enjoys the challenge of brewing the perfect cup of coffee, reading, and writing about himself in the third person.