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.
Battle with the Bugs
Learn about the immune system
Merrin and Pearl’s cousin Max is sick, threatening everyone’s Mexican holiday. This time the girls find themselves in Max’s body, witnessing first hand the immune system in action. They befriend a white blood cell warrior who leads them into battle against the offending bacteria.
A Heart Pumping Adventure
Learn about the circulatory system
During breakfast with her dad, Merrin is concerned about his eating habits and his heart. A few moments later, she and Pearl are riding on a red, pillowy, donut–shaped boat, floating on a red–colored sea and surrounded by hundreds of these grape–like things! Where are the girls and where are they headed?