<Table> Harry Potter and the Order of the Phoenix <Tr> <Td_colspan="2"> Cover art of the original UK edition </Td> </Tr> <Tr> <Th> Author </Th> <Td> J.K. Rowling </Td> </Tr> <Tr> <Th> Illustrator </Th> <Td> Jason Cockcroft (UK) Mary GrandPré (US) </Td> </Tr> <Tr> <Th> Country </Th> <Td> United Kingdom </Td> </Tr> <Tr> <Th> Language </Th> <Td> English </Td> </Tr> <Tr> <Th> Series </Th> <Td> Harry Potter </Td> </Tr> <Tr> <Th> Release number </Th> <Td> 5th in series </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Fantasy </Td> </Tr> <Tr> <Th> Publisher </Th> <Td> <Ul> <Li> Bloomsbury (UK) (Canada 2010--present) </Li> <Li> Arthur A. Levine / Scholastic (US) </Li> <Li> Raincoast (Canada 1998--2010) </Li> </Ul> </Td> </Tr> <Tr> <Th> Publication date </Th> <Td> 21 June 2003 </Td> </Tr> <Tr> <Th> Pages </Th> <Td> 766 (Original UK Edition) 800 (2014 UK Edition) 870 (US Edition) </Td> </Tr> <Tr> <Th> ISBN </Th> <Td> 0 - 7475 - 5100 - 6 </Td> </Tr> <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> </Table> <Tr> <Td_colspan="2"> Cover art of the original UK edition </Td> </Tr>

How many pages is the order of the pheonix
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