All Formats & Editions

In this official edition featuring exclusive content from the Queen of Mystery, Hercule Poirot gets caught up in an international scheme. Now with a beautiful new series look.

Framed in the doorway of Hercule Poirot's bedroom stands an uninvited guest,... Read Full Overview

Hercule Poirot faces a formidable challenge against a secretive and dangerous criminal organization known as The Big Four. Composed of four individuals with distinct backgrounds and sinister skills, this group aims to establish global dominance. With the help of his loyal friend... Read Full Overview

In this official authorized edition from the Queen of Mystery, famed private eye Hercule Poirot tackles international intrigue and espionage.

Framed in the doorway of Hercule Poirot's bedroom stands an uninvited guest, coated from head to foot in dust... Read Full Overview

Collector's Edition Laminated Hardback with Jacket

Four shadowy masterminds are pulling the strings of a global conspiracy, and only Hercule Poirot stands in their way. This sinister group, known as the Big Four, wields power through wealth, science,... Read Full Overview

Beloved detective Hercule Poirot takes on an international gang of super-criminals and introduces the world to his identical twin, Achille Poirot. From Agatha Christie, who "created the modern murder mystery" (The New Yorker).

In this official edition featuring exclusive content from the Queen of Mystery, Hercule Poirot gets caught up in an international scheme. "It is always a delight to meet Hercule Poirot again. He is one of the few detectives with real charm." --Dorothy L. Sayers Framed in the... Read Full Overview

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?

Agatha Christie's The Big Four enjoyed commercial success at the time of its publication in 1927, despite lukewarm critical reviews. Deviating from her earlier writing style, Christie presents several smaller mysteries within a larger one. Renowned private detective Hercule... Read Full Overview

In the official authorized edition from the Queen of Mystery, famed private eye Hercule Poirot tackles international intrigue and espionage.

Framed in the doorway of Hercule Poirot's bedroom stands an uninvited guest, coated from head to foot in dust... Read Full Overview

In 1926 Christie was already deeply affected by the death of her mother earlier in the year and the breakdown of her marriage to Archibald Christie. Her brother-in-law, Campbell Christie, suggested that, rather than undergo the strain of composing a completely new novel, Christie... Read Full Overview

Uncover the Global Conspiracy in The Big Four--the classic mystery novel by Agatha Christie

"If one man does not make a move, the other must, and by permitting the adversary to make the attack one learns something about him."

In The Big Four, Hercule Poirot investigates a string of murders that appear to be disconnected on the surface, but Agatha Christie's... Read Full Overview

Framed in the doorway of Poirot's bedroom stood an uninvited guest, coated from head to foot in dust. The man's gaunt face stared for a moment, then he swayed and fell. Who was he? Was he suffering from shock or just exhaustion? Above all, what was the significance of the figure... Read Full Overview

Framed in the doorway of Poirot's bedroom stood an uninvited guest, coated from head to foot in dust. The man's gaunt face stared for a moment, then he swayed and fell. Who was he? Was he suffering from shock or just exhaustion? Above all, what was the significance of the figure... Read Full Overview