The Agatha Christie Code (2005 TV Movie)
Joanna Lumley - Narrator: This is St. Mary's church, Cholsey, Oxfordshire. It is the hiding place of an extraordinary secret, the secret of success. Our mission is to find it. Buried here in a quiet unassuming corner of this hallowed ground is a writer who in her lifetime, achieved almost unimaginable fame. She has sold a staggering 2.3 billion books. Second only to Shakespeare, she is the world's most widely published author of all time. Her name is Agatha Mary Clarissa Mallowan, better known to us as Agatha Christie.