EILEEN SPINELLI is the author of almost 50 books for young readers, including the middle-grade novels Summerhouse Time and The Dancing Pancake for Knopf, as well as picture books like Miss Fox's Class Goes Green, The Perfect Thanksgiving, Hero Cat, and The Best Story. Eileen lives with her husband, author Jerry Spinelli, in eastern Pennsylvania. MARJORIE PRICEMAN is the author-illustrator of How to Make a Cherry Pie and See the U.S.A., as well as How to Make an Apple Pie and See the World. She has received two Caldecott Honor citations for Hot Air! The (Mostly) True Story of the First Hot-Air Balloon Ride and Zin! Zin! Zin! A Violin, written by Lloyd Moss. She lives in Lewisburg, Pennsylvania.