The Science of Acne and Warts: The Itchy Truth About Skin (The Science of the Body) by Alex Woolf

Your skin is your body's coat. It covers everything inside you.

Muscles, bones, blood, organs-your skin keeps it all in place. It also keeps bad stuff out, like germs. This beguiling guide to skin, the largest organ in the human body, explores everything from how it protects us to how it can itch and irritate us, and delves into why skin is such a integral part of our identity.