Germs are everywhere you go! Some can make you very sick or even kill you. Your immune system is always working to stop them. But how does it do that? Learn about all the ways the immune system fights germs to keep you healthy.

The Immune System is part of the Super Science Facts series that engages readers in grades 5 to 12 with fun science facts and colorful images on every page to support comprehension. The series covers Physical Science, Life Science and Social Sciences in individual sets. The minimal-text format (1,700 to 2,000 words per book) introduces content vocabulary defined in context and repeated in a glossary.