
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.
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Jack Pumpkinhead of Oz
1985
ISBN 9780345323606
Yellow Knight of Oz (Wonderful Oz Book, No 24)
1986
ISBN 9780345328670
Ozoplaning with the Wizard of Oz
2017
ISBN 9781979307970
The Royal Book of Oz Annotated
2021
ISBN 9798512466674
Cowardly Lion of Oz The Wonderful Oz Books, #17
1985
ISBN 9780613954297
Ojo in Oz (Wonderful Oz Books, No 27)
1986
ISBN 9780613975766