Scholastic , et al. UK ISBN 0747538492 /U.S. ISBN 0439064864 . Rowling, J. K. ( Kennilworthy Whisp ; 2001). Quidditch Through the Ages (in English). London: Bloomsbury /New York City: Scholastic , et al. ISBN 0613329740 . [ edit ] External links Wikimedia Commons has media related to: Quidditch Quidditch on Harry