The Robert F. Sibert Informational Book Medal is awarded annually to the author(s) and illustrator(s) of the most distinguished informational book published in the United States in English during the preceding year. The award is named in honor of Robert F. Sibert, the long-time President of Bound to Stay Bound Books, Inc. of Jacksonville, Illinois. The Association of Library Services to Children, a division of the American Library Association, administers the award.