JK Rowling is to make her screenwriting debut with a new film series based on Harry Potter’s textbook Fantastic Beasts and Where To Find Them. The news, which is sure to excite avid Potter fans, is part of an expanding creative partnership between studio Warner Bros and Rowling. The book, which featured in the first of Rowling’s wizarding offerings, Harry Potter and the Philosopher’s Stone, was written by fictional author Newt Scamander who is also set to feature in the new film series.