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
Legal disputes over the Harry Potter series 2007, some "Harry Potter" fans on the Internet initially speculated that the site might be part of an elaborate viral marketing campaign for an official continuation or spinoff of "Harry Potter", one either written or at least approved by Rowling herself. On 9 November 2007, Rowling's agent Neil Blair denied that Rowling was in any way involved with the purported project, and Warner Bros., the studio which owns the rights to the "Harry Potter" film series, denied that the novel was in any way connected to the official "Harry Potter" franchise. Rowling and her publishers have brought a series of