Human skin is an amazing organ—the largest of all we have. Its area is almost two square meters! Skin is our antenna. It can transmit and receive signals and feeds our senses. It’s an object of sensual desire, a captivating vessel that contains our life; at the same time, it’s a gigantic habitat for bacteria, fungi, viruses, and parasites. Few people really know what skin is, how it functions, and how many vital tasks it takes on for us. This book is meant to help you better understand our skin—and thus yourselves. You’ll be captivated by how fascinating it is, all with your skin itself!