Jon J. Muth is a children's author and illustrator. His books have received numerous awards and critical acclaim. Stone Soup, a familiar tale set in China won a National Parenting Book Award. Books he has illustrated include Come On, Rain!, which won the Gold Medal from the Society of Illustrators in 1999, Gershon's Monster, and No Dogs Allowed. Zen Shorts is a New York Times Bestseller, a Quill Award nominee, and was awarded the 2006 Caldecott Honor. Zen Ghosts was published in September 2010 by Scholastic Press. His title, Hi, Koo!, is a New York Times Bestseller for 2014 and was published by Scholastic Press, as well. (Bowker Author Biography)

Ann Mathews Martin was born on August 12, 1955 in Princeton, New Jersey. She received a degree in elementary education and psychology from Smith College. She worked as a teacher, was an editor of children's books for both Bantam and Scholastic, and then became a full-time writer. She is the author of several series including the Baby-sitters Club series, Baby-Sitters Little Sister series, California Diaries series, and Main Street series. Her other works include Ten Kids No Pets, Here Today, On Christmas Eve, and Rain Reign. (Bowker Author Biography)