Why is Snot Green?

This book explores the fascinating science behind the color of snot, and why it's not always green. With engaging illustrations and simple, easy-to-understand language, author Glenn Murphy explains the role of mucus in our bodies and how it can appear different colors depending on our health and the environment. From yellow and orange to pink and even black, discover the surprising reasons behind the colors of snot and how it can be an important indicator of our overall health.