9 July 2018
With unit sales of print books rising 4% in the adult nonfiction segment-the industry's largest major category-total unit sales for the first half of 2018 increased 2% over the comparable period in 2017 at outlets that report to NPD BookScan. The gain follows a 3% increase in six-month unit sales in the first half of 2017 over 2016. The strength in adult nonfiction offset a 4% decline in sales in the adult fiction segment. Overall, total units in the first half of 2018 were 316.8 million, up from 310.7 million in the first half of 2017.
