Quidditch Quidditch World Cup on Pottermore, culminating in a short story about the final featuring the return of Harry, Ron, Hermione and their friends as adults. This generated interest from several media outlets, as it was the first new writing about the "Harry Potter" characters since the end of the series in 2007. Quidditch is introduced in "Harry Potter and the Philosopher's Stone", and is a regularly recurring feature throughout the first six books. It is depicted as being played by both professionals (as in tournaments like the Quidditch World Cup) and amateurs. A major motif of five of the "Harry
Magic in Harry Potter books present the idea that the Muggle interpretation of these stories is a distorted version of what goes on in the wizarding world. The magic of "Harry Potter" became the subject of a 2017 British Library exhibition and accompanying documentary. The exhibition, entitled "Harry Potter: A History of Magic", is the first at the British Library to be inspired by a single series by a living author. Witches and wizards need training to learn how to control their magic. With young and untrained children, magic will manifest itself subconsciously in moments of strong apprehension, fear, anger and sadness. For example,