The Gnome King of Oz: The kingdom of Oz is threatened again by the wicked Gome King.Ruth Plumly Thompson
Ruth Plumly Thompson: The Lost King of OZ: Another exciting book about the magic kingdom of OZRuth Plumly Thompson
Ruth Plumly Thompson: Captain Salt in OZ: Founded on and continuing the Famous Oz StoriesRuth Plumly Thompson
Ruth Plumly Thompson: THE ROYAL BOOK OF OZ: In which the Scarecrow goes to search for his family tree and discovers that he is the Long Lost Emperor of the Silver Island, and how he was rescued and brought back to Oz by Dorothy and the Cowardly Lion.Ruth Plumly Thompson