Harry Potter and the Prisoner of Azkaban games loosely based on "Harry Potter and the Prisoner of Azkaban" were also released for several platforms, and most obtained favourable reviews. Harry is back at the Dursleys for the summer holidays, where he sees on Muggle television that a convict named Sirius Black has escaped, though with no mention of what facility he has broken out of. Harry involuntarily inflates Aunt Marge when she comes to visit after she insults Harry and his parents. This leads to his running away and being picked up by the Knight Bus. He travels to the Leaky Cauldron where he meets Cornelius Fudge,
The Magical Worlds of Harry Potter approval from Rowling, and has since received positive reviews from critics. An updated version of "The Magical Worlds of Harry Potter" was published in 2004 by Berkley Books. "The Magical Worlds of Harry Potter" explores the references to history, legends, and literature in J.K. Rowling's "Harry Potter" novels. David Colbert, the author of the book, told the "St. Louis Post-Dispatch" that the "Harry Potter" novels "are [...] literary treasure hunts for [Rowling's] readers. What seem like funny-sounding names and places and excursions into fantasy all have a basis in either history, myth or legend." He added, however, that he thinks