“There was a moment when I changed from an amateur to a professional. I assumed the burden of a profession, which is to write even when you don't want to, don't much like what you're writing, and aren't writing particularly well.”

British crime writer of the 20th century, Agatha Christie is best known for creating the iconic detective Hercule Poirot and the enigmatic Miss Marple. Her novels and plays, including *Murder on the Orient Express* and *The Mousetrap*, redefined the mystery genre with intricate plots and psychological depth.