Did JK Rowling write anything before Harry Potter?

Related questions

1. Where does JK Rowling live currently?
2. Will JK Rowling write another Harry Potter?
3. Is JK Rowling still married to Neil Murray?
4. Are Harry Potter books valuable?
5. Why does JK Rowling write as Robert Galbraith?
6. Will there be another Harry Potter movie in 2020?
7. Are any Harry Potter books valuable?
8. What does JK stand for in JK Rowling?
9. Does JK Rowling answer her fan mail?
10. Who is richer JK Rowling or Oprah?

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15. #philosopher
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17. #potter
18. #identity
19. #assumed
20. #galbraith
21. #under
22. #sorcerer
23. #stone
24. #admitted
25. #casual