JK Rowling has released three new Hogwarts stories. The last Potter release, the script for Harry Potter and the Cursed Child, is already the fastest-selling UK book this decade. That was penned by the playwright, Jack Thorne based on an original new story by Thorne, JK Rowling and John Tiffany. The collections of “Short Stories from Hogwarts” are called Of Power, Politics and Pesky Poltergeists, there’s also Of Heroism, Hardship and Dangerous Hobbies and lastly Hogwarts: An Incomplete and Unreliable Guide. Harry Potter and the Goblet of Fire are 640 pages. The longest of these e-books is 79 pages.