There Could Be More Harry Potter Books on the Way Fans, rejoice — J.K. Rowling offered a bit of hope on Friday that, perhaps, the final Harry Potter story has yet to be told. "I could definitely write an eighth, ninth, 10th," the author told Oprah Winfrey during an interview scheduled to air Friday. "I'm not going to say I won't. I don't think I will . . . I feel I am done, but you never know."