Are You "Normal"?By: Mark Shulman Can you rub your belly and pat your head? Do you like pepperoni on your pizza? Are you normal? In the spirit of National Geographic Kids popular Weird But True series, the author has pulled out all the stops breaking down the facts on our silliest secrets. Did you know about twenty percent of 10 year old kids probably still suck their thumbs and about two thirds can roll their tongues? This engaging book, full of colorful and witty