[Tommy & Tuppence] Dame Agatha's tales of crime-solving couple Tommy and Tuppence Beresford, a fun-loving and flirtatious pair who thrive on matching wits with criminals and with each other. This set chronicles their partnership from its beginnings and as proprietors of a detective agency. [Why didn't they ask the Evans] During a round of golf on a cliff-top course in Wales, Bobby Jones discovers a man lying gravely injured on the rocks below. His last words, "Why didn't they ask Evans?," leads Bobby and his friend on a quest to find out what happened to the man. [Seven dials mystery] In this stylish, fast-moving diabolically-plotted intrigue, Lady Eileen Brent sets out to find the killer of a young man from the Foreign Office found murdered in her bedroom. [Agatha Christie: a life in pictures] This BBC original drama uses documented accounts and Christie's own words to probe the shadowy areas of her early life in a style as gripping and suspenseful as any Christie story.