Agatha Christie

Pretty, young Anne came to London looking for adventure. In fact, adventure comes looking for her--and finds her immediately at Hyde Park Corner tube station. Anne is present on the platform when a thin man, reeking of mothballs, loses his balance and is electrocuted on the rails.The Scotland Yard verdict is …

N czy M?, jedna z 5 powieści Agathy Christie, w której głównymi bohaterami są Tomasz i Tuppence Beresford. Powieść została wydana w roku 1941.