Unit sales of print books declined 1.3% in the week ended Aug. 14, 2021, from the comparable week in 2020, at outlets that report to NPD BookScan. Sales of adult nonfiction had another down week, with units off 8.5% from a year ago, despite a good showing among books written from conservative perspectives. Mark Levin’s American Marxism remained #1 in the category, selling more than 58,000 copies. A new title by Tucker Carlson, The Long Slide, was in second place on the category list, selling nearly 30,000 copies. Last year at this time, conservative favorite Sean Hannity’s Live Free or Die was #1, selling just under 108,000 copies. YA fiction sales slipped 0.4% from the week ended Aug. 15, 2020, when Stephenie Meyer’s blockbuster Midnight Sun sold about 139,000 copies; in the most recent week, They Both Die at the End by Adam Silvera was #1 in the category and sold just under 18,000 copies, though sales elsewhere in YA fiction were solid. Adult fiction unit sales rose 24.5% without the benefit of a major new hit. Stephen King’s Billy Summers remained #1 in the category, selling almost 50,000 copies. It Ends with Us by Colleen Hoover continued to get a TikTok bump, selling more than 29,000 copies. The top-selling new novel was The Return by Nicholas Sparks, which sold more than 14,000 copies. Sales in juvenile fiction inched up 1.2%, with a combination of backlist favorites and back-to-school books doing well. Dav Pilkey’s Mothering Heights (Dog Man #10) was #1 in the category, selling more than 14,000 copies.