The Big Four

🌍 A global conspiracy. Four mysterious villains. One legendary detective. In The Big Four, Agatha Christie launches Hercule Poirot into a world of international espionage, sinister plots, and shadowy enemies who threaten global peace. When Poirot receives a cryptic warning from a dying man, he's pulled into a case like no other—one that spans borders and pits him against a cabal known only as...