Quidditch Through the Ages the fictional and real world it is the definitive handbook on the history and intricacies of the game. It also serves as a catalogue of the many British Quidditch teams. When Severus Snape caught Harry outside the school with this book in "Harry Potter and the Philosopher's Stone", he invented the rule that no library books were allowed outside the school, and confiscated it. In the "Harry Potter" universe, Kennilworthy Whisp is a Quidditch expert and fanatic who has written many books about the sport. He lives in Nottinghamshire, where he divides his time with "wherever the Wigtown Wanderers are
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,