Best-selling book series
The current best-selling book series record is 600 million copies, held by Harry Potter by J.K. Rowling. Last checked October 9, 2026.
600
million copies
Harry Potter by J.K. Rowling
- Holder
- Harry Potter by J.K. Rowling
- Record
- 600 million copies
- Exact figure
- More than 600 million copies
- Location
- United Kingdom
- Recognized by
- Scholastic
- Last checked
- October 9, 2026
Sources
- scholastic.com Harry potter highlights and milestones
- guinnessworldrecords.com Best selling book series for children
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