This book explains processes in the human body in a child-friendly way, particularly the blood circulation and the function of the heart. With appealing comic-style artwork and humorous explanations, it captivates young readers. The hardcover edition has 48 pages and is suitable for children aged 7 and over. Dimensions: 23.7 x 0.83 x 30.6 cm. It also includes an extra-page introduction to first aid tips for children.