Agatha Christie wrote 85 books that sold between two and four billion copies.
According to UNESCO, she is the most translated author in the history of the world. The Guinness Book of World Records has recognized her as the Best Selling Author in any genre of all time. See the list of the Top 10 Best-Selling Authors here.
Note: Shakespeare was left out of this comparison, because he wrote plays and not novels. Even so, the best he can do is match Agatha Christie’s sales numbers.
What is Agatha Christie’s secret to success?
See the rest of Amanda Patterson’s article at the Writers Write website: