To enter our competition to win a signed copy of Uli Hesse's superb (revised and updated version) of Tor! The Story of German Football, you need to guess which one of these Borussia Dortmund shirts is Uli's favourite. A: 1989 B: 1997 C: 2012
Leave your answer as a comment on the competition post on our Facebook page (give us a 'like' while you're there) and we will pick a name at random from the correct answers. Entries close on Wednesday 11, December at 17:00 CET.