The Hercule Poirot Collection includes three books by Agatha Christie; The Mysterious Affair at Styles, The Murder on the Links, and Poirot Investigates. This set is limited to 1,000 copies. The Mysterious Affair at Styles opens with the discovery that the elderly Emily Inglethorp, has been poisoned. Upon his arrival, inspector Hercule Poirot is faced with a mystery of how poison was administered to Inglethorp, and who would benefit most...