Quidditch Through the Ages is a 2001 book written by British author J. K. Rowling about Quidditch in the Harry Potter universe. It purports to be the Hogwarts library's copy of the non-fiction book of the same name mentioned in several novels of the Harry Potter series. Rowling's name does not appear on the cover of the book, the work being credited under the pseudonym "Kennilworthy Whisp".

Synopsis

In 2001 Rowling penned two companion books to the Harry Potter series, Quidditch Through the Ages and Fantastic Beasts and Where to Find Them, for British charity and off-shoot of Live Aid, Comic Relief with all of her royalties going to the charity. As of July 2008, the books combined are estimated to have earned over $30 million for Comic Relief.The two books have since been made available in hardcover.