Cover-artwork and logotype for the so called "Bibliothek des deutschen Fußballs" (library of german football). Every book is written by a true fan of the particular club. A book written from fans for fans. One of them (1.FC Köln) was recently nominated as a the football-book of the year 2017. The book is published by Culturcon Medien. If you're interested, you can order the books here.