After soaring 18.9% in the first half of 2021 over the comparable period in 2020, unit sales of print books retreated in the first half of 2022, dropping 6.6% from 2021 levels. According to NPD BookScan, total first-half print sales were 362.6 million, down from 386.6 million a year ago. All the major categories except adult fiction had declines, with the largest drop coming in the industry’s biggest category, adult nonfiction, where print sales fell 10.3%.