Teenpower is written for teenagers. It is filled with knowledge, tips, and exercises to help them get to know themselves better and face the challenges of growing up with confidence. Negative thoughts can be transformed into positive ones, inner potential should be recognized, and self-esteem should be boosted. The book provides prompts to think in new directions and aims to foster more joy in life, even during a challenging phase like puberty. Teenpower seeks answers to questions such as "Who am I really?" or "How do I deal with my parents?" and explains how teenagers can deepen friendships, overcome shyness, and understand their own feelings. It addresses young people in an age-appropriate language style.