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 in the US on 2 June 1999. "Harry Potter and the Prisoner of Azkaban" was published a year later in the UK on 8 July 1999 and in the US on 8 September 1999. "Harry Potter and the Goblet of Fire" was published on 8 July 2000 at the same time by Bloomsbury and Scholastic. "Harry Potter and the Order of the Phoenix" is the longest book in the series, at 766 pages in the UK version and 870 pages in the US version. It was published worldwide in English on 21 June 2003. "Harry Potter and the Half-Blood Prince"