Sneakers have gone--seemingly overnight--from being childhood summer staples to serious athletic instruments to full-fledged lifestyle accoutrements, but the transition is hazy. Just when and why did America (and the world) go sneaker crazy? The Sneaker Book is an entertaining, informative look at this fascinating, $11-billion-a-year industry. How (and by whom) are sneakers made? Where does your money go when you buy a pair? Who are the companies...