Every year, on the week of Agatha Christie's birthday, a festival is held in Torquay, her birthplace, to celebrate her life and works. There's a great variety of events, centring around talks on Christie-related topics, but also featuring plays, tours, and murder mystery events. This year, I attended it for the first time! I've always been put off by the distance, but it was very much worth making the trip. I started things off by watching the Peter Ustinov Evil Under the Sun for…