Sometimes earwax buildup is so bad, a person can't hear from their ear! But this yellow-brown substance plays an important role in the ear. Whether crumbly or waxy, earwax is pretty interesting for kids to check out. In this book, they find out how and why their body makes earwax as well as how to properly deal with it--and it might not be in the way they thing! A diagram and full-color photographs aid comprehension of the approachable text.