Good and Bad Germs - Rod Barkman - Bog

We're surrounded by a world that's too small to see. The world is full of teeny tiny germs. Some germs are good for us, while others can be bad. Learn where we can find germs, why some germs can help us while others can harm us, how we can stop the spread, and more. Fun illustrations make this important topic approachable for young readers learning to stay healthy.