5 books in series
Die Arnoldkinder
Die Arnoldkinder is a 4-book series with 5 primary works first released in 1938 with contributions by Enid Blyton.
| #1 |  The Secret Island
| 2.5 | 3 reads | ||
| #2 |  The Secret of Spiggy Holes The Secret of Spiggy Holes
| 3 | 1 read | ||
| #3 |  The Secret Mountain
| 3 | 1 read | ||
| #4 |  The Secret of Killimooin
| 3 | 1 read | ||
| #5 |  The Secret of Moon Castle
| 3 | 1 read |