Harry Potter fans, take heart: series author J.K. Rowling offered hope on Friday that, one day, a brand new Harry Potter story could appear.

"I could definitely write an eighth, ninth, tenth," the English author, 45, 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."

Speaking in Edinburgh, where the interview took place, Rowling said she was surprised by the intensity of the feeling she experienced upon finishing the saga's last installment, 'Harry Potter and the Deathly Hallows.'

"It was a bereavement," she said.

But now, while Rowling plans to write more books, she feels there is no need to match or top her previous achievement.

"I did it. I'm really proud I did it," she said. "But this is a new phase."

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