<Tr> <Th> Preceded by </Th> <Td> Harry Potter and the Goblet of Fire </Td> </Tr> <Tr> <Th> Followed by </Th> <Td> Harry Potter and the Half - Blood Prince </Td> </Tr> <P> Harry Potter and the Order of the Phoenix is a fantasy novel written by J.K. Rowling and the fifth novel in the Harry Potter series . It follows Harry Potter's struggles through his fifth year at Hogwarts School of Witchcraft and Wizardry, including the surreptitious return of the antagonist Lord Voldemort, O.W.L. exams, and an obstructive Ministry of Magic . The novel was published on 21 June 2003 by Bloomsbury in the United Kingdom, Scholastic in the United States, and Raincoast in Canada . Five million copies were sold in the first 24 hours of publication . It is the longest book of the series . </P> <P> Harry Potter and the Order of the Phoenix has won several awards, including being named an American Library Association Best Book for Young Adults in 2003 . The book has also been made into a film, which was released in 2007, and into a video game by Electronic Arts . </P>

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