Did you know that Your Skin Holds You In? This intriguing title brings kids all the most interesting, thought-provoking aspects of the skin we're in: how many holes are in it? How does it stretch and shrink and when? What are all the amazing and beautiful colors it comes in? Then, once curiosity is under your skin, Zigzag a little deeper: discover that a polar bear's skin is black! Do your own skin-pinch experiment--ouch!!