Characters: Ariadne Oliver

A foremost writer of crime and other sensational stories, often stumped by the exploits of her fictional Finnish detective Sven Hjerson. She accompanies Poirot on several of his most famous cases, offering solutions based on her astute female intuition.

Characters: Harley Quin

A strange trick of the light? Or a figment of the imagination? The mysterious Mr Quin appears to his friend Mr Satterthwaite at just the right moment to aid him in solving crimes, often with carefully worded but apparently random observations that provide insight into a problem.

Characters: Tommy & Tuppence

The two young sleuths who, jobless and restless after the end of World War I, set up the Young Adventurers Ltd and consequently get mixed up with thefts, murders and international spies. The only characters in the Christie canon to age and live their lives in real time.

Characters: Parker Pyne

Parker Pyne is not really a detective at all. In fact, he specialises in detecting and curing unhappiness in the discontented and guilt-ridden. Assisting the lovelorn, he considers himself a “heart specialist”.

Characters: The Creation of Hercule Poirot

Characters: Facts About Hercule Poirot

Characters: Past Poirot Portrayals

Characters: Timeline of Poirot Portrayals

Characters: Great Moments of Poirot's Moustache

Stories: Dumb Witness

An elderly spinster has been poisoned in her country home. Everyone blamed Emily’s accident on a rubber ball left on the stairs by her frisky terrier. But the more she thought about her fall, the more convinced she became that one of her relatives was trying to kill her. On April 17th she wrote her suspicions in a letter to Hercule Poirot. Mysteriously he didn’t receive the letter until June 28th… by which time Emily was already dead.