Even with dyslexia, Agatha Christie was one of the best selling book authors of all time. The only other book to surpass her sales was the Bible, and her work and notoriety equalled that of William Shakespeare. Over time her books have sold approximately 4 billion copies worldwide. Her dyslexia never stopped her from tapping into her creative side and learning to write so that she could cultivate her captivating and world-renowned mystery novels. She truly honed an ability to captivate readers with her amazing stories despite her struggles with the written word due to dyslexia. “And Then There Was None” is touted as her all-time bestselling novel, and has served a true source of inspiration for many other novelists and movie makers alike.