Dukes were once very important. Kings used to trust their dukes to run parts of their kingdom. Today, things have changed. This fun and informative book introduces readers to dukes, both modern and historical. They explore what a duke is, how a person becomes a duke, and what a duke's job might look like. Full-color photographs highlight a few of today's dukes from around the world, and fast facts add to the fun as readers take a glimpse inside the world of real-life royalty.