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
The Magical Worlds of Harry Potter released in bookstores. When his nephew and nieces received the book, they read it for the remainder of their vacation with him. Colbert, a historian and former head writer on the television quiz show "Who Wants to Be a Millionaire?", became interested in the books and bought the first novel in the series, "Harry Potter and the Philosopher's Stone", to see what the story was about. As he was reading, he began to notice mythological references in the book. He commented: "I almost laughed out loud when I came across the three-headed dog <nowiki>[</nowiki>Fluffy<nowiki>]</nowiki>. I instantly knew it was a