The Harry Potter Lexicon "the will or the heart" to now publish her own encyclopedia. On 8 September 2008, Rowling won her copyright case against RDR Books. Lexicon publisher RDR Books said: Judge Patterson said that reference materials were generally useful to the public but that in this case, Vander Ark went too far. He said that "while the Lexicon, in its current state, is not a fair use of the Harry Potter works, reference works that share the Lexicon's purpose of aiding readers of literature generally should be encouraged rather than stifled." He said he ruled in Ms. Rowling's favor because the "Lexicon
J. K. Rowling series thus far. The release date was subsequently announced on 10 July 2018, through the Twitter account of Robert Galbraith, to be 18 September 2018. Rowling has said it is unlikely she will write any more books in the "Harry Potter" series. In October 2007 she stated that her future work was unlikely to be in the fantasy genre. On 1 October 2010, in an interview with Oprah Winfrey, Rowling stated a new book on the saga might happen. In 2007, Rowling stated that she planned to write an encyclopaedia of "Harry Potter"s wizarding world consisting of various unpublished material