In what amounts to faint praise for the strength of the physical book NPD reported that print book sales rose 1.9 percent in 2017, less than the 3 percent growth posted in 2013-2016. NPD tracks book sales in the US. They write: “Returning from the huge sales of ‘Harry Potter and the Cursed Child’ in 2016, and the rise of adult coloring books, last year’s book sales… Read More