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
The Magical Worlds of Harry Potter An updated version of "The Magical Worlds of Harry Potter" was published in 2004 by Berkley Books, just before the film "Harry Potter and the Prisoner of Azkaban" was released. Colbert wrote and published "The Magical Worlds of Narnia" in 2005, a guide to the fictional Narnia universe. The Magical Worlds of Harry Potter The Magical Worlds of Harry Potter: A Treasury of Myths, Legends, and Fascinating Facts is a guide to the fictional "Harry Potter" universe, written by David Colbert. It explores the references to history, legends, and literature in J.K. Rowling's "Harry Potter" novels. Colbert conceived the idea