The diversity of the coffee world, how it is constantly changing, and how questions about coffee quality and the perfection of coffee preparation are increasingly coming to the forefront are all illustrated by Dr. Hans Jürgen Langenbahn in this book. All articles were published by the author on the Maskal KaffeeSatz blog, which has been active since 2008. He vividly describes the rush for high-quality coffees, the perfect coffee preparation, the rise of instant coffee, and how one can live in Canada and sell coffee in Germany. Dr. Hans-Jürgen Langenbahn traveled to Ethiopia privately in 2000 and was immediately captivated by the deep-rootedness of coffee in Ethiopian culture and the daily lives of its people. This was followed by tasting trainings in Addis Ababa and numerous trips to the various growing regions of the country, as well as travels to other coffee-producing countries. His coffee knowledge.