Best-Selling Books list – USATODAY.com
USA Today creates a weekly list of the top selling books in the US market. Some are self-published and others are from traditional publishing houses. You'll find some YA titles listed as well as many adult authors.
"USA TODAY's Best-Selling Books list ranks the 150 top-selling titles each week based on an analysis of sales from U.S. booksellers. Contributors represent a variety of outlets: bookstore chains, independent bookstores, mass merchandisers and online retailers."