Writing Andreas Sulzer Directed Hitler’s Secret Weapons Manager – The two Lives of Hans Kammler 2020 The Search for Hitler's Bomb 2015 Das Voynich-Manuskript - Die geheimnisvollste Handschrift der Welt 2014 The Voynich Code: The World's Most Mysterious Manuscript 2010 The Vampire Princess 2007 Other Credits The Real Beauty and the Beast Writer 2013 Agent-readable