Quidditch Through the Ages to Find Them" have raised £17 million. 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 offshoot 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. Within the fictional world of "Harry Potter", "Quidditch Through the Ages" is written by Kennilworthy Whisp, a renowned Quidditch expert. In both
Harry Potter and the Prisoner of Azkaban (video game) them the possibility to play the minigames from the GBA version on their TV screen. In addition to playing as Harry, the game also allows the player to control Hermione and Ron, as well as fly "Buckbeak", and control Harry's pet owl, "Hedwig". "Harry Potter and the Prisoner of Azkaban" received "mixed or average" reviews, according to video game review aggregator Metacritic. "GameSpot" were positive about the game, scoring 7/10 or above across releases, with a high of 7.5 out of 10 for the GBA version. "Frank Provo" of GameSpot was very positive about the GBA game's recreation of the