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
J. K. Rowling and MEP Emma Nicholson founded the Children's High Level Group (now Lumos). In January 2006, Rowling went to Bucharest to highlight the use of caged beds in mental institutions for children. To further support the CHLG, Rowling auctioned one of seven handwritten and illustrated copies of "The Tales of Beedle the Bard", a series of fairy tales referred to in "Harry Potter and the Deathly Hallows". The book was purchased for £1.95 million by online bookseller Amazon.com on 13 December 2007, becoming the most expensive modern book ever sold at auction. Rowling gave away the remaining six copies to those