Harry Potter a cause-and-effect relationship, there is a clear correlation, and it seems that Harry Potter's cultural impact may be stronger than just a fandom bond. Many fan fiction and fan art works about "Harry Potter" have been made. In March 2007, "Harry Potter" was the most commonly searched fan fiction subject on the internet. At the University of Michigan in 2009, StarKid Productions performed an original musical parodying the "Harry Potter" series called "A Very Potter Musical". The musical was awarded "Entertainment Weekly"'s 10 Best Viral Videos of 2009. The sport Quidditch, played by characters in the "Harry Potter" series, was
Religious debates over the Harry Potter series was ranked seventh on the list of the most challenged books in American libraries between 1990 and 2000 despite having been first published in the United States in 1998. In 1999, the "Harry Potter" books were challenged 23 times in 13 states. According to the American Library Association, they are now the most challenged books of the 21st century. However, the ALA notes that overall, opposition to "Harry Potter" in the US appears to be waning; having topped the list of the most challenged books in American schools in many previous years, they have to date failed to reappear in