The two-part stage play Harry Potter and the Cursed Child, which picks up the story of The Boy Who Lived 19 years after the series of seven novels, debuts in London. And now The play will be published as the 8th Harry Potter book as well. .Apparently this ?special rehearsal edition? will only be available for a limited time, after which it will be replaced by a ?definitive collector?s edition? sometime in the future. It will be the exact play in script form , not like the novels published by Rowling beforehand.