Leaf through your cookbooks, and you're likely to find a bit of paper with a recipe written in a familiar (or not-so-familiar) hand. It could be a family secret finally divulged, a scribbled interpretation of something seen on TV, even a culinary experiment long since forgotten. What happens to these recipes when the books are passed on? By day, Michael Popek works in his family's used bookstore. By night, he's the voyeuristic force behind the websites...