There have been many published theories about politics in the Harry Potter books. Political themes explored in en:J. K. Rowling's books range from criticism of racism to anti-government sentiments. On her October 2007 book tour, Rowling said, "The Potter books in general are a prolonged argument for tolerance, a prolonged plea for an end to bigotry, and I think it's one of the reasons some people don't like the books."en:FD källa