Der grüne Spuk

From Author Wars - https://authorwars.com/books/der-grune-spuk-2566697.html

Overview:

Title: Der grüne Spuk
Author: A. F. Morland
Year: 1979
Type: Short Fiction
Series: Professor Zamorra
Number in Series: 127

Variant Titles:

1979. Der grüne Spuk