Quidditch Through the Ages to Find Them" have raised £17 million. In 2001, Rowling penned two companion books to the "Harry Potter series", "Quidditch Through the Ages" and "Fantastic Beasts and Where to Find Them", for British charity and offshoot of Live Aid, Comic Relief with all of her royalties going to the charity. As of July 2008, the books combined are estimated to have earned over $30 million for Comic Relief. The two books have since been made available in hardcover. Within the fictional world of "Harry Potter", "Quidditch Through the Ages" is written by Kennilworthy Whisp, a renowned Quidditch expert. In both
Legal disputes over the Harry Potter series An Unauthorized Guide to Harry Potter Fiction". In November 2007, "The Scotsman" reported that Rowling had threatened legal action against American computer programmer G. Norman Lippert for allegedly violating her intellectual property rights by producing and publishing the online novel, "James Potter and the Hall of Elders' Crossing", an unofficial and unauthorised continuation of the "Harry Potter" series. Written as a fan fiction project for Lippert's wife and sons, the novel is set eighteen years after the end of the last official installment in the series, "Harry Potter and the Deathly Hallows", and describes the adventures of Harry Potter's son,