Will was the World's Worst Pirate. He didn't want to be a swashbuckling, treasure-hunting buccaneer. He couldn't even stand on deck without being seasick. But when the ship is attacked by a terrible sea monster, a surprising hero saves the day!

Pirates are swashbuckling, treasure hunting, buccaneers of the seven seas. But if your mother is the Pirate Captain and you can't stand on deck without getting seasick... that makes William the World's Worst Pirate. When the ship is attacked, can he use his own special talent to save the day?