From the press release: Barnes & Noble, Inc. (NYSE: BKS), the world’s largest bookseller, today announced that with millions of NOOK eReading devices sold, the line has become the company’s biggest bestseller ever in its nearly 40-year history. The new NOOKcolor Reader’s Tablet, introduced just eight weeks before Christmas, is the company’s number one selling gift of the holiday season. Barnes & Noble also announced that it now sells more digital books than its large and growing physical book business on BN.com, the world’s second largest online bookstore. With its growth across device and NOOKbook™ sales over the critical holiday selling season, Barnes & Noble has successfully established itself as a leader in digital reading. Demand for the critically acclaimed NOOKcolor remained high following the product’s introduction in late October through the holidays. Sales have continued to exceed the company’s high expectations. … (Source: TeleRead: Bring the E-Books Home)