Harry Potter Sequel Is Coming, Sorta A script book of the new play will be published By Newser Editors and Wire Services Posted Feb 10, 2016 11:04 AM CST 3 comments Comments Four of the 30 copies of the six Harry Potter books remain on a shelf at the Crawfordsville District Public Library in Crawfordsville, Ind., Wednesday, July 18, 2007. (AP Photo/Michael Conroy) (Newser) – The new Harry Potter play will become a new Harry Potter book. Scholastic Inc. announced Wednesday that a "script book" of Harry Potter and the Cursed Child will be published July 31, the AP reports. The book is based on the two-part stage collaboration of JK Rowling, Jack Thorne, and John Tiffany and arrives just after the play premieres in London on July 30. Rowling's Pottermore website will release an edition. Here's what the play is about.