Sales during September are estimated at $1,494 million, compared to sales of $1,564 million for the same period last year. For the year to date, bookstore sales are up 1.8 percent. The Census Bureau also adjusted its preliminary estimates of August 2008 bookstore sales upward to $2,462 million, putting them at 6.5 percent above August 2007. Total retail and food service sales fared better than bookstores sales in September. Retail sales were $357.7 billion in September 2008, compared to $357.5 billion in September 2007, a slight increase of 0.6 percent.