4 books in series

Die verwegenen Vier

Die verwegenen Vier is a 3-book series with 4 primary works first released in 1940 with contributions by Enid Blyton.

#2

1940 • 1 Reader • 163 pages 3

#3
The Secret Mountain

1941 • 1 Reader • 160 pages 3

#5
The Secret of Moon Castle

1953 • 2 Readers • 198 pages 3