The Hidden Valley of Oz
| Author | Rachel R.C. Payes |
|---|---|
| Illustrator | Dirk Gringhuis |
| Language | English |
| Series | The Oz Books |
| Genre | Fantasy |
| Publisher | Reilly & Lee |
Publication date | 1951 |
| Publication place | United States |
| Media type | print (hardcover) |
| Pages | 313 pp. |
| Preceded by | The Shaggy Man of Oz |
| Followed by | Merry Go Round in Oz |
The Hidden Valley of Oz (1951) is the thirty-ninth book in the Oz series created by L. Frank Baum and his successors. It was written by Rachel R.C. Payes and illustrated by Dirk Gringhuis. The book was followed twelve years later by Merry Go Round in Oz (1963).