Harry Potter and the Order of the Phoenix 1997 with an initial print-run of 500 copies in hardback, three hundred of which were distributed to libraries. By the end of 1997, the UK edition won a National Book Award and a gold medal in the 9 to 11 year-olds category of the Nestlé Smarties Book Prize. The second novel, "Harry Potter and the Chamber of Secrets", was published in the UK on 2 July 1998. "Harry Potter and the Prisoner of Azkaban" was published a year later in the UK on 8 July 1999 and in the US on 8 September 1999. "Harry Potter and the Goblet of
Harry Potter and the Philosopher's Stone Potter and the Order of the Phoenix" is the longest book in the series at 766 pages in the UK version and 870 pages in the US version. It was published worldwide in English on June 21, 2003. "Harry Potter and the Half-Blood Prince" was published on July 16, 2005 and sold 11 million copies in the first 24 hours of its worldwide release. The seventh and final novel, "Harry Potter and the Deathly Hallows", was published on July 21, 2007. The book sold 11 million copies within 24 hours of its release: 2.7 million copies in the UK and