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
Legal disputes over the Harry Potter series Legal disputes over the Harry Potter series Since first coming to wide notice in the late 1990s, the "Harry Potter" book series by J. K. Rowling has engendered a number of legal disputes. Rowling, her various publishers and Time Warner, the owner of the rights to the "Harry Potter" films, have taken numerous legal actions to protect their copyrights, and also have fielded accusations of copyright theft themselves. The worldwide popularity of the "Harry Potter" series has led to the appearance of a number of locally produced, unauthorised sequels and other derivative works, sparking efforts to ban or contain them.