Jane Hillenbrand is an elementary school teacher. What a Treasure! was her first picture book. Publishers Weekly called it a "warm look at appreciating the small, often unexpected, joys in one's life." She lives in Ohio with her husband, Will Hillenbrand.
Will Hillenbrand has written and illustrated a wide range of picture books for children, including the popular Bear and Mole books and the Mighty Reader series. Spring Is Here won the Please Touch Museum Book Award. What a Treasure! a Pennsylvania One Book, was written with his spouse Jane Hillenbrand.