Agatha Christie was an English writer known for her mystery novels and plays. She is one of the most successful authors of all time, having sold over two billion copies of her works. Her most famous characters are Hercule Poirot and Miss Marple. The crossword solutions for the term CHRISTIE, AGATHA are Dames (5 letters), NONE (4 letters), DAME (4 letters), and Poirot (6 letters). Dames is a title of respect given to a woman of high social rank or position, while NONE is a pronoun meaning no one or nothing. DAME is a title of respect given to a woman of high social rank or position, and Poirot is the name of Agatha Christie's famous Belgian detective.