Legal disputes over the Harry Potter series October 2007, Warner Bros. and Rowling sued Michigan-based publishing firm RDR Books to block the publication of a 400-page book version of the Harry Potter Lexicon, an online reference guide to her work. Rowling, who previously had a good relationship with Lexicon owner Steve Vander Ark, reiterated on her website that she plans to write a "Harry Potter" encyclopedia, and that the publication of a similar book before her own would hurt the proceeds of the official encyclopedia, which she plans to give to charity. A judge later barred publication of the book in any form until the case was
Legal disputes over the Harry Potter series 2007, some "Harry Potter" fans on the Internet initially speculated that the site might be part of an elaborate viral marketing campaign for an official continuation or spinoff of "Harry Potter", one either written or at least approved by Rowling herself. On 9 November 2007, Rowling's agent Neil Blair denied that Rowling was in any way involved with the purported project, and Warner Bros., the studio which owns the rights to the "Harry Potter" film series, denied that the novel was in any way connected to the official "Harry Potter" franchise. Rowling and her publishers have brought a series of