The father's book offers an upbeat summary of all new insights and latest scientific achievements in the field of fatherhood and of course frolic workshops, hold pillow fights and children in air gooien. Men often think that fathers are just as important as children get older. Babys be a woman thing. However, research shows that fathers immediately already after the birth to play an important role in the development of small children. That strange man with the heavy hum voice appears to be a major source of playful and unpredictable behavior that kids love. In addition, it has become clear how important frolic and silly games for the development of each kind.