This magical non-fiction series for children continues with an inventive and fun discovery of the secrets of the human body. Hold a light behind the pages to see muscles flex, watch as food travels through the digestive system, and take a peek at the skeleton holding you upright!
This magical non-fiction series for children continues with an inventive and fun discovery of the secrets of the human body. Hold a light behind the pages to see muscles flex, watch as food travels through the digestive system, and take a peek at the skeleton holding you upright.
