Ruth Plumly Thompson

Ruth Plumly Thompson was an American writer of children's stories, best known for her novels set in Oz, the land created by L. Frank Baum. After Baum's death she became the official Oz author and wrote many of the later books in the series, among them Jack Pumpkinhead of Oz. Her stories keep the gentle humor and odd characters of the originals. She also wrote other children's books and verse.