Das Tal der Abenteurer

From Author Wars - https://authorwars.com/books/das-tal-der-abenteurer-1809199.html

Overview:

Title: Das Tal der Abenteurer
Author: Paul Alfred Müller
Year: 1958
Type: Novels
Series: Sun Koh Abenteuer (Fix-ups)
Number in Series: 10

Variant Titles:

1958. Das Tal der Abenteurer