"Germs. Everybody has them! Some germs help people. Some can harm people. Add and subtract with tens to learn more about germs"--Provided by publisher.
Uses humor in both text and illustrations to describe how antibiotics were developed and what methods were used to fight infections and disease before antibiotics were available.
This book educates readers on a variety of ecological issues, including the problems with detergents, the big deal about green plants, and why some animals don't need energy from sunlight for photosynthesis.
Introduces children to the tiny creatures that exist in food, such as fungus and bacteria, and explains how consuming these creatures can be both healthy and dangerous.