I don't think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness - to save oneself trouble.

Murder on the Links began with news from France a wife debunked who claimed intruders tied her up and murdered her husband. Mary Mead.

Dame Agatha Mary Clarissa Christie DBE (née Miller; 15 September 1890 – 12 January 1976) was a British crime writer of novels short stories and plays. She also wrote the world's longest-running play The Mousetrap. Although initially unsuccessful at getting her work publiAgatha Christied in 1920 The Bodley Head press publiAgatha Christied her novel The Mysterious Affair at Styles featuring the character of Poirot.