Updated: October 29, 2012 6:33AM
1997: Harry Potter and the Philosopher’s Stone, first in series, is published in the United Kingdom.
1998: The book is published in the U.S. as Harry Potter and the Sorcerer’s Stone.
2007: Harry Potter and the Deathly Hallows, the final book in the series, is published.
450 million: Number of Potter books sold worldwide
73: Languages in which the books are available
71: Number of times Rowling has held the No. 1 spot on USA Today’s best-selling books list
8: Movies based on the seven-book series
$7.7 billion: Worldwide box office of the Potter films
2 million: Number of hardcover copies in first printing of Rowling’s new novel, The Casual Vacancy
Gannett News Service