Harry Potter and the Chamber of Secrets his descendant. Gilderoy Lockhart's book on werewolves is entitled "Weekends with Werewolves" at one point and "Wanderings with Werewolves" later in the book. "Harry Potter and the Chamber of Secrets" was met with near universal acclaim. In "The Times", Deborah Loudon described it as a children's book that would be "re-read into adulthood" and highlighted its "strong plots, engaging characters, excellent jokes and a moral message which flows naturally from the story". Fantasy author Charles de Lint agreed, and considered the second Harry Potter book to be just as good as "Harry Potter and the Philosopher's Stone", a rare achievement
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