Megan McDonald is the author of the popular Judy Moody and Stink series for older readers, the Judy Moody and Friends series for beginning readers, and the first chapter book Bunny and Clyde. She has also written many other chapter books and picture books for children. Megan McDonald lives in California.

Lenny Wen is the illustrator of Smiling Eyes by Linda Sue Park, among other books, and the author-illustrator of Spicy Spicy Hot! and Wolfgang in the Meadow. Born in Indonesia, Lenny Wen now lives in Austria.