Title: Battle With the Bugs (Human Body Detectives) Author: Dr. Heather Manley Price: FREE Rating: 5.0 out of 5 stars (12)
Merrin and Pearl’s little cousin Max is sick, threatening everyone’s Mexican holiday. This time the girls land themselves in Max’s body, witnessing firsthand the immune system in action. They befriend a white blood cell warrior who leads them into battle against the offending bacteria…
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