Der Feuer-Bumerang

From Author Wars - https://authorwars.com/books/der-feuer-bumerang-2592003.html

Overview:

Title: Der Feuer-Bumerang
Author: Helmut Rellergerd
Year: 1984
Type: Short Fiction
Series: John Sinclair
Number in Series: 344

Variant Titles:

1984. Der Feuer-Bumerang