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 illustrated a wide range of picture books for children, including many he has written himself. Spring Is Here won the Please Touch Museum Book Award. Kite Day was proclaimed "a winner for story times" in a School Library Journal starred review. Off We Go! was declared "a winner all around" in a Kirkus starred review.

Will lives with his wife, Jane Hillenbrand, in Ohio.