Harry Potter and the Half-Blood Prince continue. Harry finds out that the locket is not the real Horcrux, containing only a note from someone named "R. A. B.". Harry is so devastated by Dumbledore's death (and upset by its futility) that he tells his friends he will not be returning to Hogwarts. Instead, he will spend the next year searching out Voldemort's Horcruxes. Ron and Hermione insist on joining him in destroying Lord Voldemort for good. "Harry Potter and the Half-Blood Prince" is the sixth book in the Harry Potter series. The first book in the series, "Harry Potter and the Philosopher's Stone", was first published
Harry Potter and the Order of the Phoenix Fire" was published on 8 July 2000 simultaneously by Bloomsbury and Scholastic. "Harry Potter and the Order of the Phoenix" is the longest book from the series, yet the second shortest film at 2 hours and 18 minutes. After the publishing of "Order of the Phoenix", the sixth book of the series, "Harry Potter and the Half-Blood Prince", was published on 16 July 2005, and sold 9 million copies in the first 24 hours of its worldwide release. The seventh and final novel, "Harry Potter and the Deathly Hallows", was published 21 July 2007. The book sold 11 million copies