This fun-filled coloring book explains how your amazing immune system works, and how it uses microscopic bombs, traffic signs, and deadly spices to send germs to their graves. It even offers immune boosting tips for both people and pets. There's more to this book that just mere facts. It offers insight to some dehibilitating diseases, such as cancer, autism, blindness, and autoimmune diseases. However, it does this without using big words and complicated details. Whether you're a doctor, teacher, parent, student, or a smart child, you will have fun coloring this book -- especially when you color this book with friends and loved ones. Enjoy! Warning: This book has secrets that germs don't want you to know.