The Harry Potter fantasy film series is based on the seven Harry Potter novels by British writer J. K. Rowling, starring Daniel Radcliffe, Rupert Grint and Emma Watson. The Harry Potter film franchise is the highest grossing film series of all time when not adjusted for inflation, with over $5.4 billion in worldwide receipts. The series consists to date (2009) of six motion pictures, all of which (unadjusted for inflation) are on the all time list of 25 highest-grossing films worldwide, with the first and current last two films among the top ten.The latest installment, Harry Potter and the Half-Blood Prince, was released in cinemas worldwide on 15 July 2009. Warner Brothers is currently producing the seventh and final novel, Harry Potter and the Deathly Hallows which will be split into two parts: Harry Potter and the Deathly Hallows: Part 1 is due out on 19 November 2010 and Harry Potter and the Deathly Hallows: Part 2 is due out on 15 July 2011.