Explanation

• Agatha Christie is renowned as a prolific writer of mystery novels, particularly for her detective characters Hercule Poirot and Miss Marple.
• She is often referred to as the "Queen of Crime" and holds a Guinness World Record as the best-selling fiction author.

Additional Points:

• Her famous works include "Murder on the Orient Express" and "The Murder of Roger Ackroyd."
• Christie also wrote plays, with "The Mousetrap" being the longest-running play in history.