Claudia Mills has written many children's books, 7 x 9 = Trouble!, the Franklin School Friends series, and the Mason Dixon series, among other chapter books and books for middle-grade readers. She lives in Boulder, Colorado.

Grace Zong has illustrated many books for children, including Goldy Luck and the Three Pandas by Natasha Yim, Pippa and Percival, Pancake and Poppy: Four Peppy Puppies by Deborah Diesen, and Mrs. McBee Leaves Room 3 by Gretchen Brandenburg McLellan. She divides her time between South Korea and New York. - (Random House, Inc.)