Book Trailer "Des Teufels Gebetbuch" by bestselling author Markus Heitz 
Publisher Dromer Knaur (https://www.droemer-knaur.de) 
Cover Design by Anke Koopmann (https://www.designomicon.de) 
Cover Illustration, Motion Design, Animations and Campaign Design by Elm Haßfurth (that's me https://elmstreet.org)