The Big Four: A Hercule Poirot Mystery (Mystery Masters)

<p><p>an Emaciated Stranger Approaches Hercule Poirot, Shouts A Warning About The Big Four And Drops Dead. Who Knew Poirot's Inquiry Into The Man's Odd Behavior Would Lead To An Underground Laboratory, An Insane Asylum, And Rumors Of A Secret Weapon?</p><h3>new York Times</h3><p>agatha Christie Is One Of Our Most Satisfying Novelists.</p>