With sales in nonfiction categories all falling again, unit sales of print books declined 4.9% overall in the week ended July 24, 2021, from the comparable week in 2020, at outlets that report to NPD BookScan. Three political books were atop the adult nonfiction list, but sales in the category dropped 12.6%. Last year at this time, Mary Trump’s Too Much and Never Enough was still riding high, selling more than 405,000 copies, and Ben Shapiro’s How to Destroy American in Three Easy Steps sold more than 54,000 copies. In the most recent week, American Marxism by Mark Levin stayed #1 in the category, selling nearly 128,000 copies, while a book on the Trump administration, I Alone Can Fix It by Carol Leonnig and Philip Rucker, sold almost 91,000 copies in its first week. Unit sales in juvenile nonfiction dropped 23.3%. Last year at this time, the #1 book in the category, School Zone Big Preschool Workbook, sold nearly 33,000 copies. In the most recent week, the same title was #1, but sold 21,000 fewer copies. Adult fiction sales rose 16.5%, led by Black Ice by Brad Thor, which was #1 in the category, selling nearly 27,000 copies in its first week. Unit sales increased 27.5% in YA fiction as They Both Die at the End by Adam Silvera stayed #1, selling nearly 15,000 copies. Juvenile fiction sales were flat despite two new titles doing well: Wave of the Sea Dragon (Dragon Masters #19) by Tracey West was #1, selling more than 16,000 copies, and Katy Farina’s Karen’s Kittykat Club (Baby-Sitters Little Sister Graphic Novel #4) was in third place, selling just over 14,000 copies.