NEW YORK, NEW YORK! BROADWAY? WELL, YES, I SUPPOSE. But, really, isn’t the romance of New York, for writers, at any rate, shoe-horned into the stacks in the city’s independent bookstores? In a series of cartoons titled, “The Endangered Bookstores of New York,” published in THE NEW YORKER in October, Bob Eckstein, writer and illustrator (and snowman expert), celebrates New York’s bookstores in image and text.