Son and mother team Jonah and Jeanette Winter create a stunning biog raphy of Hildegard, a remarkable woman who lived during the Middle Ages. As a child she had visions of an invisible world but never shared them, which led to headaches and bouts of confinement. Eventually, her parents sent her to a monastery, where after many years she heard God’s voice urging her to share her visions. In finally doing so, she wrote scientific books and com posed music. The simple text is extended by the rich illustrations on facing pages. Author’s notes and a bibliography are provided. NYPL Best Book for Reading and Sharing. nlh