One day, Barney, BJ and Baby Bop find a book about a wonderful place called The Land of Make Believe, where a beautiful Princess lives in a castle. Barney and his friends decide they would like to meet the Princess and become her friends, so they begin a journey to find her. First, there is preparation to be done, and then exciting travel in a hot air balloon! Along the way, they will meet many different animals in the forest, find exciting games in the castle, and have a lot of fun learning new things and meeting the beautiful Princess. Source: The Publisher Website.