Here are the bestsellers for the week that ended Saturday, Jan. 6, compiled from data from independent and chain bookstores, book wholesalers and independent distributors nationwide, powered by Circana BookScan © 2024 Circana. (Reprinted from Publishers Weekly, published by PWxyz LLC. © 2024, PWxyz LLC.) HARDCOVER FICTION 1. Iron Flame. Rebecca Yarros. Red Tower 2. Fourth Wing. Rebecca Yarros. Red Tower 3. The Heaven & Earth Grocery Store. James McBride. Riverhead 4. Upside Down. Danielle Steel. Delacorte 5. First Lie Wins. Ashley Elston. Viking/Dorman 6. The Exchange. John Grisham. Doubleday …