<Table> Harry Potter <Tr> <Td_colspan="2"> The Harry Potter logo, used first in American editions of the novel series and later in films </Td> </Tr> <Tr> <Td_colspan="2"> <Ul> <Li> The Philosopher's Stone (1997) </Li> <Li> The Chamber of Secrets (1998) </Li> <Li> The Prisoner of Azkaban (1999) </Li> <Li> The Goblet of Fire (2000) </Li> <Li> The Order of the Phoenix (2003) </Li> <Li> The Half - Blood Prince (2005) </Li> <Li> The Deathly Hallows (2007) </Li> </Ul> </Td> </Tr> <Tr> <Th> Author </Th> <Td> J.K. Rowling </Td> </Tr> <Tr> <Th> Country </Th> <Td> United Kingdom </Td> </Tr> <Tr> <Th> Language </Th> <Td> English </Td> </Tr> <Tr> <Th> Genre </Th> <Td> Fantasy, drama, young adult fiction, mystery, thriller, Bildungsroman </Td> </Tr> <Tr> <Th> Publisher </Th> <Td> Bloomsbury Publishing (UK) Scholastic (US) </Td> </Tr> <Tr> <Th> Published </Th> <Td> 26 June 1997--21 July 2007 (initial publication) </Td> </Tr> <Tr> <Th> Media type </Th> <Td> Print (hardback & paperback) Audiobook E-book (as of March 2012) </Td> </Tr> <Tr> <Th> No. of books </Th> <Td> 7 </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.pottermore.com </Td> </Tr> </Table> <Tr> <Td_colspan="2"> The Harry Potter logo, used first in American editions of the novel series and later in films </Td> </Tr>

When did jk rowling released the first harry potter