Quidditch Through the Ages is both a fictional book described in the Harry Potter series of novels by the English author J. K. Rowling, and a real book by that author, although her name is only stated in the book as the copyright holder of the "Harry Potter"-name. The real book purports to be a reproduction of a copy of the fictional book held in the Hogwarts library, written by Kennilworthy Whisp. Fantastic Beasts & Where to Find Them is a 2001 book written by English author J. K. Rowling to benefit the charity Comic Relief. Over 80% of the cover price of each book sold goes directly to poor children in various places around the world.

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