(1890–1976), English writer of detective fiction and plays. Many of her novels feature the Belgian detective Hercule Poirot or the resourceful Miss Marple. Her play "The Mousetrap" (1952) has run continuously since 1952 on the London stage. Other notable works: "Murder on the Orient Express" (1934) and "Death on the Nile" (1937)
We take a look at several popular, though confusing, punctuation marks.