To mark the 100th anniversary of the publication of Agatha Christie's first novel The Mysterious Affair at Styles, this documentary looks at the crime writer's life and 10 of her most famous books, including Murder on the Orient Express and Death on the Nile. In a one-off celebratory programme with access to the Christie estate archives, we explore her ten most iconic works in chronological order; from Murder on the Orient Express to And Then There Were None and Curtain: Poirot's Last Case, these timeless depictions remind us of another age, and also the brilliance of her literature.