Hercule Poirot has had his share of intruders--yet none more peculiar than the emaciated stranger covered in mud who stumbles into the detective's apartment, shouts half-crazed warnings about "the Big Four," and dies. But not before plunging Poirot into a crazy netherworld of international intrigue, secret weapons, kidnapped physicists, underground laboratories, hairbreadth escapes,and an employee from a local insane asylum who's all too eager to let the baffled Belgian in on the sinister secret of "the Big Four"....

"THE CHAMPION DECEIVER OF OUR TIME."--The New York Times

Agatha Christie is the most popular mystery writer of all time. With over two billion copies of her books in print,her genius for detective fiction is unparalleled. She is truly the one and only Queen of Crime...

Hercule Poirot has had his share of intruders--yet none more peculiar than the emaciated stranger covered in mud who stumbles into the detective"s apartment, shouts half-crazed warnings about "the Big Four," and dies. But not before plunging Poirot into a crazy netherworld of international intrigue, secret weapons, kidnapped physicists, underground laboratories, hairbreadth escapes,and an employee from a local insane asylum who"s all too eager to let the baffled Belgian in on the sinister secret of "the Big Four"....

The Unexpected Guest

The Man from the Asylum

We Hear More About Li Chang Yen

The Importance of a Leg of Mutton

Disappearance of a Scientist

The Woman on the Stairs

The Radium Thieves

In the House of the Enemy

The Yellow Jasmine Mystery

We Investigate at Croftlands

A Chess Problem

The Baited Trap

The Mouse Walks In

The Peroxide Blonde

The Terrible Catastrophe

The Dying Chinaman

Number Four Wins a Trick

In the Felsenlabyrynth