Christie's superb stand-alone mystery, Passenger to Frankfurt, is a true masterwork of surprise and suspense, as a diplomat comes to the aid of a terrified woman in an airport, only to find that his identity has been stolen and his life is suddenly in serious jeopardy. Sir Stafford Nye's flight home from Malaya takes an unprecedented twist when a young woman confides in him that someone is trying to kill her. In a moment of weakness, he agrees to...

Tommy and Tuppence Beresford are restless for adventure, so when they are asked to take over Blunt's International Detective Agency, they leap at the chance. Their first case is a success-the triumphant recovery of a pink pearl. Other cases soon follow-a stabbing on Sunningdale golf course; cryptic messages in the personal columns of newspapers; and even a box of poisoned chocolates. But can they live up to their slogan of "Any case solved in 24 hours"?...

It had been a typical New Year's Eve party. But as midnight approaches, Mr. Satterthwaite-a keen observer of human nature-senses that the real drama of the evening is yet to unfold. And so it proves when a mysterious stranger knocks on the door. Who is this Mr. Quin? Mr. Satterthwaite's new friend is an enigma. He seems to appear and disappear almost like a trick of the light. In fact, the only consistent thing about him is that his presence is always...

A chain of accidental deaths is thinning the population of Wychwood-under-Ashe. Luke Fitzwilliam, a retired policeman, knows Miss Lavinia Fullerton was on to something when she predicted the death of Wychwood's Dr. Humbleby.

A is for Ascher, cudgeled in Andover. B is for Barnard, strangled in Bexhill. C is for Clarke, struck down in Churston. Beside each body is an A.B.C. Railway guide; before each murder Hercule Poirot is notified. In one of Christie's most twisted tales, the meticulous Belgian sleuth must navigate the eerie maze of a serial killer's mind. D is for Doncaster, where the next victim dies ... E is for evidence, ingeniously analyzed.

Beautiful and vivacious Rosemary Barton is the victim of cyanide-laced champagne at her own elegant birthday party, and the list of suspects includes her own husband.