Agatha Christie is the world's best selling mystery writer. After several rejections, The Mysterious Affair at Styles was published to instant acclaim, launching what became the unparalleled career of "The Queen of Mystery." Over the course of more than half a century she wrote eighty crime novels and short story collections, nineteen plays, and several poetry collections. Her books have sold more than a billion copies in the English language and another billion in a hundred other languages. Agatha Christie died in 1976.