On the website "prcenter.de" another positive Review of the book "Der Stahlclan" (The Steel Clan) was published.
The Review in German you can read on following link :
https://www.prcenter.de/Autor-der-Frankfurter-Verlagsgruppe-AG-in-der-Passauer-Neuen-Presse-rezensiert.652167.html