Sally M. Walker is the author of many books for young readers, including The 18 Penny Goose and Opossum at Sycamore Road. She is also a children's literature consultant and has taught children's literature at Northern Illinois University. Roseann Feldmann has been a classroom teacher, a college lecturer, curriculum author and administrator. Andy King has done editorial photography, including several works for Lerner's Fundamental Sports series, as well as a good deal of commercial photography.