Best-Selling Books of all Time

6. And Then There Were None

Author: Agatha Christie

Copies sold: 100 million

Agatha Christie’s collection of mystery novels is so legendary, that she was titled the world’s best-selling author, with 1 billion sold copies, by the Guinness Book of World Records. This particular story, first published in 1939, recounts a series of murders that occur on an island and the detective must decipher each crime in relation to an old nursery rhyme.

download (2)