Rinkitink in Oz

Rinkitink in Oz is a children's classic by L. Frank Baum. It is the tenth book in the Land of Oz series. Prince Inga and King Rinkitink launche on a perilous quest to the magical islands that lie beyond the border of Oz... What wonderfully strange surroundings and challenges will they have to face, and who will they meet on the way...?