Fictional universe of Harry Potter Harry, serves as the commentator for the Quidditch matches at Hogwarts until he graduates. The sport appears in every book except the seventh; school matches are canceled in the fourth due to the need to use the pitch for the Triwizard Tournament, but Harry attends the Quidditch World Cup as a guest of the Weasley family. Other wizard games and sports include Gobstones (a version of marbles in which the stones squirt foul-smelling liquid into the other player's face when they lose a point), Exploding Snap (a card game in which the cards explode), and Wizard Chess (in which the
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