Nielsen Bookscan issued final sales data for 2016, counting print book (and physical audio) sales of 674 million units through the outlets they track — compared to approximately 653 million units sold in 2015. But that comparison comes with an asterisk, since the service added tracking for Family Christian’s 259 stores at the beginning of 2016, without backfilling any historical data. On a gross level, the unit sales count was higher by 20.5 million, or 3.1 percent, but that includes the unspecified millions of units added by Family Christian. As noted last week, what is clear is that all of the increases and […]