Harry Potter and the Philosopher's Stone family throughout the series, and in his treatment of first Rubeus Hagrid and later Remus Lupin and Sirius Black as father-figures. The second book, "Harry Potter and the Chamber of Secrets", was originally published in the UK on July 2, 1998 and later, in the US on June 2, 1999. "Harry Potter and the Prisoner of Azkaban" was then published a year later in the UK on July 8, 1999 and in the US on September 8, 1999. "Harry Potter and the Goblet of Fire" was published on 8 July 2000 at the same time by Bloomsbury and Scholastic. "Harry
Harry Potter world began holding events to coincide with the midnight release of the books, beginning with the 2000 publication of "Harry Potter and the Goblet of Fire". The events, commonly featuring mock sorting, games, face painting, and other live entertainment have achieved popularity with Potter fans and have been highly successful in attracting fans and selling books with nearly nine million of the 10.8 million initial print copies of "Harry Potter and the Half-Blood Prince" sold in the first 24 hours. The final book in the series, "Harry Potter and the Deathly Hallows" became the fastest selling book in history, moving