Icebreaker - ein spielerischer ansatz zur gruppendynamik (Tine Fris-Ronsfeld, Kristoffer Fynbo Thorning)
 
 Icebreakers are games and exercises to bring people of all ages together. My  the icebreakers exchange the participants new experiences. icebreaker promotes a positive atmosphere and strengthens through music  and
 play the social structures of a group
 
 The book is in German