But according to Michael Cader, a longtime book packager and the creator of Publisher's Lunch, a Web site and e-mail newsletter service read religiously by many publishing professionals, book prices must change. He points to reports that indicate that the total amount of money being spent on books is stagnant while more and more books are published every year. According to Bowker, over 135,000 titles were published last year, compared to 119,000 in 2000.) Simple economics dictates that with more books vying for the same amount of money, there should be more competition and prices should come down.