Joan Holub has authored and/or illustrated over 140 children's books, including the Goddess Girls series, the Heroes in Training series, the New York Times bestselling picture book Mighty Dads (illustrated by James Dean), and Little Red Writing (illustrated by Melissa Sweet). She lives in North Carolina and is online at JoanHolub.com.

Daniel Roode is an illustrator and designer who draws inspiration from his French heritage, mid-century modern design, pop art, and nature. Daniel creates the bulk of his art digitally, an appropriate medium for his clean yet tactile aesthetic that has a distinct joie de vivre. He resides near Nashville, Tennessee, with his wife, Laura, and their dog and cat.