Magic in Harry Potter extraordinarily high turnover of staff members—throughout the series no Defence Against the Dark Arts teacher has retained the post for more than one school year. Harry is exceptionally skilled in this subject. During the period the story takes place, the class is taught by Quirinus Quirrell (book one), Gilderoy Lockhart (book two), Remus Lupin (book three), Bartemius Crouch Jr impersonating Alastor "Mad-eye" Moody (book four), Dolores Umbridge (book five), Severus Snape (book six), and Amycus Carrow (book seven). Hagrid suggests in "Harry Potter and the Chamber of Secrets" that ""They're startin' ter think the job's jinxed. No one's lasted long
Harry Potter and the Order of the Phoenix Fire" was published on 8 July 2000 simultaneously by Bloomsbury and Scholastic. "Harry Potter and the Order of the Phoenix" is the longest book from the series, yet the second shortest film at 2 hours and 18 minutes. After the publishing of "Order of the Phoenix", the sixth book of the series, "Harry Potter and the Half-Blood Prince", was published on 16 July 2005, and sold 9 million copies in the first 24 hours of its worldwide release. The seventh and final novel, "Harry Potter and the Deathly Hallows", was published 21 July 2007. The book sold 11 million copies