The wizarding world of Harry Potter, Hermione Granger, and Ronald Weasley garnered public attention over the course of ten years and seven books. Author J. K. Rowling produced a worldwide fad, selling 450 million copies in 68 different languages.
On this day, July 21st, in 2007, Rowling’s final book in the series, “Harry Potter and the Deathly Hallows,” went on sale to complete the 7-book fantasy series.
As the best selling books series in history, Harry Potter has found success in other sectors of entertainment. Warner Bros. Pictures released an eight-part film version of the books, which earned the title of the highest grossing film series of all time. Including all the publicity merchandise, the Harry Potter brand name is worth over $15 billion. Rowling also created an online game world called “Pottermore,” where fans can interact and compete with one another.