The HBD stories feature two young “Human Body Detectives,” Merrin and Pearl, who magically enter different systems in the body to solve health mysteries. Through action packed educational adventures, readers learn how the various systems work and which foods best fuel each system.
The Lucky Escape
Learn about the digestive system
Mom’s Choice Award Winner!
Merrin and Pearl’s little brother Robbie has swallowed a penny. Through magic and imagination, the girls find themselves on an adventure through his digestive system where they must grab the penny to help him and escape his poopy diaper.