A Plaque Honoring Agatha Christie At Torre Abbey.It is a quiet killer. Portable, difficult to detect, easy to use, and you can grow it right in your own backyard. We're talking poison. A favorite weapon of the fair sex, enabling even the daintiest femme fatale to dispatch a hulking muscleman twice her size. Perhaps this is why the queen of mystery writers, Agatha Christie, was so partial to it: poison is the method of choice for murderers in nearly half of her 66 detective novels, and in many of her 100 short stories.Torre Abbey, Torquay, Devon.Christie herself said in They...