Dudley Wynne
Illustrator 6
| Title | Format | |
|---|---|---|
 | The Secret of Moon Castle | Paperback |
 | The Secret Door and Other Stories | Hardback |
 | The Secret Mountain | Paperback |
 | The Secret Island | Paperback |
 | The Secret Forest | Paperback |
 | The Secret of Spiggy Holes | Paperback |
| Title | Format | |
|---|---|---|
| The Secret of Moon Castle | Paperback |
| The Secret Door and Other Stories | Hardback |
| The Secret Mountain | Paperback |
| The Secret Island | Paperback |
| The Secret Forest | Paperback |
| The Secret of Spiggy Holes | Paperback |