AAP StatShot: Trade Sales Up Slightly at Year End 2015 Format preferences, category performance, vary greatly from 2014 Washington, DC; April 26, 2016 – Publishers’ book sales for trade (consumer) books from Jan. to Dec. were up 0.8% to $7.2 billion compared to $7.1 billion in 2014. Despite a slow holiday season, the year ended slightly up, with a shift in sales for format and category. Overall publisher revenue for 2015 was $15.4 billion, down 2.6% from the previous year….