The Twilight Men

From Author Wars - https://authorwars.com/publications/the-twilight-men-293809.html

Overview:

Title: The Twilight Men
Author: Otto Basil
Year: 1968
Publisher: Meredith Press
Price: $6.95
Pages: 277
Binding: Hardcover
Type: Novel
Title Reference: The Twilight Men
Notes: Cover artist from SF3. Translation of Wenn das der Fuhrer wusste by Thomas Weyr Price from: https://www.nytimes.com/1969/01/12/archives/the-twilight-men-by-otto-basil-translated-by-thomas-weyr-from-the.html.