HOWTO - The guidebooks with practical knowledge from celebrities with Firat Arslan

Insights, recipes for success and new motivation from masters of their trade.

Firat Arslan, German-Turkish WBA world cruiserweight boxing champion, grew up between two worlds. It was only in the boxing arena that he found a real home - and became an internationally celebrated professional fighter. Together with communication trainer Volker Siegle, Firat Arslan shows: Everything that hurts makes you stronger. Some things even make you wiser!