British author J.K. Rowling's seven-book Harry Potter series, published between 1997 and 2007, has sold more than 600 million copies worldwide and been translated into over 80 languages, making it the best-selling book series in history. The franchise went on to spawn a multi-billion-dollar film, stage, and theme-park empire.
Record no. MRB-2026-005612
Best-Selling Book Series in History
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.