The Complete Works of Ruth Plumly Thompson Ruth Plumly Thompson was an American writer of children's stories, best known for writing many novels placed in Oz, the fictional land of L. Frank Baum's classic children's novel The Wonderful Wizard of Oz and its sequels. This collection includes the following: The Royal Book of Oz Kabumpo in Oz Ozoplaning with the Wizard of Oz The Wishing Horse of Oz Captain Salt in Oz Handy Mandy in Oz The Silver Princess in Oz The Cowardly Lion of Oz Grampa in Oz
