Harry Potter and the Cursed Child (Parts One and Two) is the official script book for the play of the same name written by J. K. Rowling, John Tiffany, and Jack Thorne. It is the eighth story published in the Harry Potter book series. Released in India by Hachette India in July 2016, it had sold 2,59,537 print copies (as of October 2017), making it the largest selling children’s book in India. (In pic: Amul hoarding on Harry Potter and the Cursed Child.)