Rinkitink in Oz: Wherein is Recorded the Perilous Quest of Prince Inga of Pingaree and King Rinkitink in the Magical Isles that Lie Beyond the Borderland of Oz. is the tenth book in the Land of Oz series written by L. Frank Baum.
Lyman Frank Baum (May 15, 1856 - May 6, 1919) was an American author chiefly known for his children's books. John Rea Neill (November 12, 1877 - September 19, 1943) was a magazine and children's book illustrator.