Join a group of white blood cells as they work to protect your body from harmful invaders! Readers will join the cells as they learn about the immune system, antibodies, microbes, infections, disease, pandemics, viruses, and bacteria. Students will learn how to protect their immune system and keep their bodies healthy. Along the way they'll meet Louis Pasteur and learn about his research on germs. Colorful characters and a graphicnovel format help to hook readers and explain biological concepts. For more content on the wonders of the body, check out other titles in the Building Blocks of the Human Body series!