No Worries' supportive activities are designed to help readers tackle anxiety and stress, and to work out how and why they feel worried, while encouraging them to talk to others about their worries (if they want to), and feel calmer. Mindful Kids series: These activity books are filled with age-appropriate exercises and activities designed to tackle the complex emotions children face, and to help them work out the how and why of their feelings. Paperback book. 96 Pages. Ages 8 and up.