A secret organization. A deadly chess game. And only one man can stop the chaos—Hercule Poirot. In The Big Four, Agatha Christie's master detective faces his most unusual challenge yet: an international crime syndicate known only as "The Big Four." As bodies pile up and clues cross continents, Poirot must match wits with a criminal alliance so powerful it could bring the world to its knees. More espionage thriller than classic whodunit, this unique Poirot novel blends intrigue, action, and Christie's signature twists into a gripping global mystery that keeps readers hooked to the final page. ?? This Edition Includes: ? Complete and unabridged text ? Optimized Kindle formatting with table of contents ? Ideal for mystery lovers, espionage fans, and collectors of the Poirot series ?? What Readers Say: "A different kind of Poirot—fast-paced, global, and suspenseful." "Agatha Christie shows her range brilliantly in this high-stakes thriller." "Perfect for fans of James Bond-style mysteries with a cerebral twist." ?? Download The Big Four today and join Hercule Poirot in a battle against a faceless enemy with limitless power.