Trivia: Which mystery author wrote, “And Then There Were None”?
Arthur Conan Doyle
Raymond Chandler
John Grisham
Agatha Christie
Correct Answer: Agatha Christie
So why is this answer correct? : Agatha Christie is one of the most highly-regarded authors in the mystery genre and one of the bestselling novelists of all time. While the novel “And Then There Were None” may be her most popular work, her 66 detective novels and 14 short story collections have accounted for over a billion sales in the English language alone.