Will Hillenbrand has written and illustrated a wide range of picture books for children, including the popular Bear and Mole series. A companion to The Lost and Found Tree, The Voice in the Hollow, received two starred reviews from Kirkus and SLJ. Hillenbrand is the recipient of many accolades, including an ALA Notable Book Award, multiple IRA Children's Choice Awards, and the author of a Bank Street Children's Best Book of the Year. He lives in Ohio with his wife, Jane Hillenbrand, with whom he wrote Pennsylvania One Book What a Treasure.