Im Penthouse der Angst

From Author Wars - https://authorwars.com/books/im-penthouse-der-angst-2587902.html

Overview:

Title: Im Penthouse der Angst
Author: Helmut Rellergerd
Year: 1983
Type: Short Fiction
Series: John Sinclair
Number in Series: 327

Variant Titles:

1983. Im Penthouse der Angst