The post on her left was occupied by Mr. Erskine of Treadley, an old gentleman of considerable charm and culture, who had fallen, however, into bad habits of silence, having, as he explained once to Lady Agatha, said everything that he had to say before he was thirty.
Quotes about agatha (2 Quotes)
Basically, it's a play being written right before your eyes -- sort of. The premise is that a retiring police officer has decided he's going to go off into a life of ease, and how he's going to do that is by writing a murder mystery like Agatha Christie.