A fascinating interactive overview of the human body and its systems. How do the lungs work together with the heart? Why is the brain such an important part of the body? How are babies made? Covering the stages of life from conception to adulthood, this oversize format includes many flaps, pull tabs, and other interactive elements to help older readers understand how their bodies work. • Supersized spreads feature detailed illustrations • More than 60 interactive elements to help older readers understand the inner workings of the body • Educational content reviewed by experts Older readers who enjoy The Ultimate Book of the Human Body will enjoy The Ultimate Book of Planet Earth and The Ultimate Book of Water. • Reference books • Books for children aged 8 to 12 • Science books for elementary and middle school children