Unit sales of print books increased 13.4% in the week ended Oct. 10, 2020, over the comparable week in 2019, with three new titles topping the bestseller list. The two biggest bestsellers were in adult nonfiction, helping to lift unit sales 10.9% over the week ended Oct. 12, 2019. Ina Gartner’s Modern Comfort Food sold more than 130,000 copies in its first week, while Humans by Brandon Stanton followed, selling almost 103,000 copies. Juvenile fiction sales rose 17.1%, led by The Tower of Nero by Rick Riordan, which sold about 49,000 copies in its first week. YA nonfiction sales jumped 71.4% in the week. Three new titles in the Complete Guide in Ten Easy Lessons line from Simon & Schuster’s Portable imprint drove the gains: Engineering Made Simple, Science Made Simple, and Math Made Simple each sold more than 6,000 copies in its first week. Five new titles took the second through sixth spots in adult fiction, where sales rose 9.2%. Elin Hilderbrand’s Troubles in Paradise was #2, selling more than 39,000 copies, followed by The Searcher by Tana French, which sold nearly 27,000 copies, and Leave the World Behind by Rumaan Alam, which sold almost 23,000 copies.

Editor’s note: Because NPD received a partial file from a major supplier (and wasn’t aware of it until after PW’s deadline), unit sales of print books were undercounted for the week ended Oct. 10, 2020, at outlets that report to BookScan. Below are the correct totals.