The U.S. Postal Service will unveil its Goodnight Moon stamps at The Rabbit hOle in North Kansas City, MO, on May 2 as part of an event leading up to Children’s Book Week (May 5-11). The Rabbit hOle is a new museum experience that celebrates and brings to life a century of American children’s literature, including Goodnight Moon, for visitors of all ages. This pane of Forever stamps honors the remarkable impact of Goodnight Moon by featuring scenes from the beloved best-selling picture book.