J.K. Rowling is the author of the bestselling Harry Potter series of seven books, published between 1997 and 2007, which have sold over 450 million copies worldwide, are distributed in more than 200 territories, translated into 73 languages, and have been turned into eight blockbuster films. She has also written two small volumes, which appear as the titles of Harry's schoolbooks within the novels. Fantastic Beasts and Where to Find Them
and Quidditch Through the Ages
were published by Bloomsbury Children's Books in March 2001 in aid of Comic Relief. In December 2008, The Tales of Beedle the Bard
was published in aid of the Children's High Level Group, and quickly became the fastest selling book of the year.