Katherine Applegate is the author of The One and Only Ivan, winner of the 2013 Newbery Medal. Her novel Crenshaw spent over twenty weeks on the New York Times children's bestseller list, and her first middle grade standalone novel, the award-winning Home of the Brave, continues to be included on state reading lists, summer reading lists, and class reading lists.

She lives with her husband, the author Michael Grant, who she co-wrote the Animorphs series with, and their two children in Northern California.

G. Brian Karas is the prolific, versatile, and award-winning illustrator of many books for children, including A Poem in Your Pocket, How Many Seeds in a Pumpkin?, and The Apple Orchard Riddle. He also illustrated A Hat for Mrs. Goldman by Michelle Edwards; Neville by Norton Juster; Clever Jack Takes the Cake by Candace Fleming, which received four starred reviews; Are You Going to Be Good? by Cari Best, a New York Times Best Illustrated Book; and Home on the Bayou, a Boston Globe-Horn Book Honor Book.