Elizabeth Verdick is the author of more than 30 highly acclaimed books for children and teenagers, including books in the Toddler Tools™ board book series, the Best Behavior™ series for young children, and the Laugh & Learn™ series for preteens. Her most recent titles include Pacifiers Are Not Forever and See You Later, Procrastinator! (with Pamela Espeland). Elizabeth lives with her husband, daughter, son, and five pets near St. Paul, Minnesota.
Marieka Heinlen received her BFA at the University of Wisconsin, Madison, and also studied at Central Saint Martins College of Art and Design in London. She launched her career as a children's book illustrator with the award-winning Hands Are Not for Hitting. As a freelance illustrator and designer, Marieka focuses her work on books and other materials for children, teens, parents, and teachers. She lives in St. Paul, Minnesota, with her husband and son.