In 2013 BET celebrates its 25th anniversary. wesentlich. has designed the chronicle for the consultancy in energy and water management, developed the content and presented the beliefs of the founders and managing directors in the context of current affairs and political events that have influenced the company’s career. Zeitgeist, world politics and the change in energy policy in Germany are humorously and critically intertwined. The unusual book packaging reflects both the seriousness and conviction of the actors as well as their professional satisfaction and unconventional approach.