Roughly 450 million Harry Potter books had been sold in 73 different languages as of mid-2013, making it the best-selling book series of all time. The books has also made author J.K. Rowling the ...

The final entry, Harry Potter and the Deathly Hallows, is one of the fastest selling books of all time, with more than 11 million copies sold in the first 24 hours of its release. 4. Michael ...

November 18 marks the 10 year anniversary of Amazon's original Kindle release, and in honor of a decade of digital reading, we're sharing 10 of the best-selling Kindle books of all time. Featuring ...