The production will explore the backstory leading up to the death of Potter's parents, a key point in determining Harry's magical future.
For many book lovers however, this news was already to be anticipated.
Rowling had first mentioned her plans for a play back in 2013 but this announcement about the name, place and date are sure to set ticket sales surging. Casting has not yet been announced, and tickets are reportedly going on sale this autumn.
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The news was confirmed Friday, 18 years to the day after the first Potter book was published.
Rowling took to Twitter to tell fans about the latest news.
Like most authors, Rowling is keeping her lips tightly sealed on what to expect, tweeting that she doesn't want to spoil it, as she knows it "will be a real treat for fans."
She did however, shut down any claims that it would be a "prequel" – or a musical -- to Potter's adventures; adding that performing Harry Potter and the Cursed Child on stage was "the only proper medium for the story."
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