400 million+
I have read all seven Harry Potter books.
Over four million people have been sold a harry potter book
None, all the Harry Potter books have been released.
There are approximately 554 owl in all the books of harry potter
By 2008 over 400 million Harry Potter books were sold.
Anyway, Bloomsbury have printed all 7 Harry Potter books. Totaled - more than 500,000,000 copies of all 7 Harry Potter books have been sold world wide from 1997 - 2010!
No, other than three additional books J.K Rowling wrote that were mentioned in the series there are only seven. There are books on the Wizarding world, but none are to do with Harry Potter.
Harry Potter books can be found in many bookshops. You can also buy them on Amazon or eBay. The official Harry Potter books you can buy are: Harry Potter and the Philosopher's Stone (1997) Harry Potter and the Chamber of Secrets (1998) Harry Potter and the Prisoner of Azkaban (1999) Harry Potter and the Goblet of Fire (2000) Quidditch Through the Ages (2001) Fantastic Beasts and Where to Find Them (2001) Harry Potter and the Order of the Phoenix (2003) Harry Potter and the Half-Blood Prince (2005) Harry Potter: A Pop-Up Book (2006) Harry Potter and the Deathly Hallows (2007) The Tales of Beedle the Bard (2008) Harry Potter Film Wizardry (2010) LEGO Harry Potter: Building the Magical World (May 2011) Harry Potter Page to Screen: The Complete Filmmaking Journey (October 2011) LEGO Harry Potter: Characters of the Magical World (June 2012)
There are seven Harry Potter books. They were all written by the same author and all belong in the same genre.
934,768 harry potter books are sold monthly the most ever sold daily is about 2,075
Many people who read Harry Potter books find it quite addictive, yes.
All seven books.