This book isn’t for the faint of heart: hair, a family of lice, bacteria that eat sweat, earwax, warts, and oozing scabs… And yet, when you scratch the surface, most of these gross things actually help children to understand how our body uses ingenious mechanisms to protect and heal itself. For example, if we didn’t go poo, we’d eventually… explode! Maybe poop isn’t so bad after all…