Harry Potter and the Chamber of Secrets (film) for many awards including the BAFTA Award for Best Production Design, Best Sound, and Best Special Visual Effects. It was followed by six sequels, beginning with "Harry Potter and the Prisoner of Azkaban" in 2004 and ending with "Harry Potter and the Deathly Hallows – Part 2" in 2011, nearly ten years after the first film's release. Harry Potter spends the summer with The Dursleys without receiving letters from his Hogwarts friends. In his room, Harry meets Dobby, a house-elf who warns him of a peril that will take shape if he returns to Hogwarts. Dobby reveals that he intercepted
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