“Here are the bestsellers for the week that ended Saturday, June 6, compiled from data from independent and chain bookstores, book wholesalers and independent distributors nationwide, powered by Circana BookScan © 2026 Circana.”
Read more: https://www.sfgate.com/entertainment/article/us-best-sellers-books-pw-22301319.php
And the unsyndicated list can be found here: https://www.publishersweekly.com/pw/nielsen/tradepaper.html