US print book sales as tracked by Nielsen BookScan fell 9.3 percent in units for 2012. The biggest decline came from the smallest format segment, mass market books, where unit sales fell 20.5 percent. Trade paperbacks weakened more than hardcovers during the year. (Nielsen BookScan does not currently track US ebook sales.) In the UK, Nielsen BookScan’s data shows consumer expenditures on physical books fell 4.6 percent for the year, to £1.514, with unit sales declining 3.4 percent to 202 million books. With 10.6 million print copies sold during the year, EL James accounted for one out of every 20 […]