With all major categories posting huge gains, unit sales of print books jumped 22.7% for the week ended Jan. 16, 2021, over the comparable week in 2020, at outlets that report to NPD BookScan. The biggest gains came in the YA categories, with fiction up 47.6% and nonfiction rising 46.9%. The release of Concrete Rose by Angie Thomas, which sold nearly 18,000 copies, helped to lift YA fiction. In YA nonfiction, Stamped by Jason Reynolds and Ibram X. Kendi was the top title, selling more than 4,100 copies. Juvenile fiction sales rose 30.7% over the week ended Jan. 18, 2020, led by Little Blue Truck’s Valentine by Alice Schertle, which sold just over 28,000 copies, and Dav Pilkey’s Cat Kid Comic Club, which sold nearly 22,000 copies. Juvenile nonfiction sales rose 28.8% over 2020. Two educational titles led the way: Crystal Radke’s My First Learn-to-Write Workbook sold more than 7,000 copies, and Big Preschool Workbook sold 6,400 copies. Adult fiction unit sales rose almost 30% over 2020. The category received a boost from new interest in George Orwell’s 1984, which sold more than 24,000 copies, landing it in the second spot on the category list. Douglas Preston’s new novel, The Scorpion’s Tail, sold almost 14,000 copies in its first week. A strong performance by Timothy Snyder’s On Tyranny, which sold more than 24,000 copies, and another good week for Barack Obama’s A Promised Land (more than 32,000 copies sold) helped to increase sales in the adult nonfiction category by 16.5%.