Princess Ozma, ruler of the Land of Oz, has gone missing. With no magical means of returning her, Dorothy and her friends must travel into unknown lands and confront strange new challenges in order to find her. However, Ozma could be anywhere, and only a very powerful sorcerer could be responsible: but who? Journey through the magical world of Oz with Dorothy and friends. Part of a 15 book collection by L. Frank Baum, these beloved children's classics are timeless and loved by all.