Late-night radio yarn spinner Jean Shepherd was convinced that the New York Times Best Seller List was a sucker's game. He decided to test his theory: "Some little guy('s) . . . job is to call bookstores and find out what's selling this week. Well, Fred Applerot recently bought 500 copies of Who Shot John?, and he still has 497 copies on the shelf. The guy calls and asks what's hot . . . 'Who Shot John? Big Hit!' The little guy puts it on his list and soon everyone goes out and buys it!" ...