50 Fun Facts About Agatha Christie

How many mainstream (non-crime) novels did Christie publish under a pen name?

Her identity was kept secret until a journalist revealed it in 1949, after which she wrote two more.

In which English seaside town was Agatha Christie born in 1890?

She was largely home-schooled there, and later set Peril at End House in and around the town.

Roughly how many copies have Agatha Christie's books sold?

Guinness World Records lists her as the best-selling fiction writer of all time.

What wartime work gave Christie her expert knowledge of poisons?

In 1977 doctors solved a real thallium poisoning case after recognising symptoms she had described in a novel.

In December 1926 Christie made international headlines by going missing for how long?

It followed her mother's death and her husband's request for a divorce, and made the front page of The New York Times.

Where was Christie eventually found after her 1926 disappearance?

She had registered under the surname of her husband's mistress, Neele, claiming to be from Cape Town.

Christie's second husband, Max Mallowan, worked in which profession?

She joined his digs in Syria and Iraq for months each year, which fed novels like Murder in Mesopotamia.

Under what pseudonym did Christie publish six non-crime novels?

Her identity was kept secret until a journalist revealed it in 1949, after which she wrote two more.

On a 1922 world tour, Christie and her first husband became among the first Britons to do what?

They learned prone in South Africa and stood up in Waikiki, staying three extra months to practise.

In 1971 Christie was promoted to which honour?

Her husband had been knighted three years earlier, so she could also be styled Lady Mallowan.

In 1955 Christie became the first person to receive which honour from the Mystery Writers of America?

She was also co-president of the Detection Club from 1958 until her death.

Christie's Devon holiday home on the River Dart, now owned by the National Trust, is called what?

She transferred the 278-acre estate to her daughter Rosalind around 1959.

Hercule Poirot is a refugee from which country?

Christie was inspired by Belgian refugees living in Torquay during the First World War.

What does Poirot famously call the mental faculties he relies on to solve cases?

His other catchphrase, from the very first novel, is 'order and method'.

Poirot was the only fictional character to receive what unusual honour from The New York Times?

It ran after Curtain, his final case, was published in 1975.

Poirot's London home and office is Flat 203 at which address?

The building's Art Deco symmetry suited his obsessive tidiness.

Which actor played Poirot on ITV for 25 years, and called the character 'obsessive-compulsive'?

Ustinov and Branagh played him on film; Sophie Hannah has written authorised continuation novels since 2014.

In which novel did Poirot make his first appearance?

Christie wrote it in 1916, mostly on Dartmoor, and it was rejected by two publishers before John Lane took it.

In Christie's first novel, Emily Inglethorp is poisoned with what?

The method came straight out of Christie's own work in the hospital dispensary.

Poirot's friend and narrator Captain Hastings emigrates to which country after marrying?

He and Dulcie Duveen took up ranching there after The Murder on the Links.

The Murder of Roger Ackroyd is famous for what twist?

Dr Sheppard conceals his guilt without ever writing anything untrue; the Crime Writers' Association voted it the best crime novel ever in 2013.

In which year was Christie's novel about the death of Roger Ackroyd published?

It had been serialised the previous year in the London Evening News as 'Who Killed Ackroyd?'.

Under what title was Poirot's Orient Express case first published in the United States?

It avoided confusion with Graham Greene's Stamboul Train, which had been retitled Orient Express in the US.

How many stab wounds does the victim Ratchett have in Murder on the Orient Express?

The train is stuck in a snowdrift between Vinkovci and Brod, so the killer must still be aboard.

The abduction plot in Murder on the Orient Express was inspired by which real 1932 crime?

An innocent maid employed by the family was suspected, which echoes the novel's Armstrong household.

In Death on the Nile, Poirot travels aboard which steamer?

It tours from Shellal to Wadi Halfa, and heiress Linnet Doyle tries to hire him at Aswan.

In The A.B.C. Murders, the killer's first victim, Alice Ascher, is killed in which town?

Betty Barnard follows in Bexhill and Sir Carmichael Clarke in Churston, each with a railway guide left beside them.

And Then There Were None is set on an isolated island off the coast of which county?

Eight guests are invited, joined by two servants, and the nursery rhyme dictates the order of deaths.

About how many copies has And Then There Were None sold?

It is the world's best-selling mystery novel and one of the best-selling books of any kind.

In And Then There Were None, who turns out to be the killer?

The retired judge fakes his own death and confesses in a message in a bottle.

In which fictional village does Miss Marple live?

Her neighbours respect her but find her habit of assuming the worst in people tiresome.

Miss Marple's first full-length novel was which 1930 book?

She had debuted three years earlier in the short story 'The Tuesday Night Club'.

How many Miss Marple novels did Christie write?

Plus 20 short stories; Poirot got 33 novels by comparison.

Which actress played Miss Marple in four films between 1961 and 1964?

Her Marple briefly worked undercover as a housekeeper, something the book character never did.

Christie's married detective duo Tommy and Tuppence first appeared in which 1922 novel?

Unusually, they aged in real time, going from their twenties to their seventies across the series.

Ariadne Oliver, Christie's self-caricature, is a crime novelist who created which detective?

She knows nothing about Finland and laments his existence, mirroring Christie's own frustration with Poirot.

Ariadne Oliver's fondness for which fruit becomes a plot point in Hallowe'en Party?

Kenneth Branagh's A Haunting in Venice was loosely adapted from that novel.

The Mousetrap began life as a radio play written as a birthday present for whom?

It was broadcast in 1947 as Three Blind Mice, and Christie gave the stage rights to her grandson.

In which year did The Mousetrap open in London's West End?

It ran continuously until March 2020, when COVID-19 paused it, and hit its 30,000th performance in 2025.

Which future film director played Detective Sergeant Trotter in the original cast of The Mousetrap?

His wife Sheila Sim played guesthouse owner Mollie Ralston opposite him.

Curtain, Poirot's final case, was kept where until shortly before Christie's death?

It returns Poirot and Hastings to Styles, the setting of their first case, where Poirot dies in his sleep.

Christie's play Witness for the Prosecution opened in London in which year?

It played the Winter Garden Theatre and was filmed by Billy Wilder four years later.

How many detective novels did Agatha Christie write?

Alongside the novels she produced 14 short-story collections and the world's longest-running play.

Which Istanbul hotel claims Murder on the Orient Express was written there and keeps Christie's room as a memorial?

The hotel sits at the eastern terminus of the railway Christie rode to Baghdad in 1928.

Which archaeologist and his wife invited Christie to their dig in Iraq, where she met Max Mallowan in 1930?

Mallowan was 13 years her junior; they married in Edinburgh in September 1930 and stayed together until her death.

MI5 investigated Christie over a character named Major Bletchley in which 1941 thriller?

She told codebreaker Dilly Knox she'd been stuck at Bletchley station on a train journey and took revenge by naming an unlovable character after it.

A 1977 poisoning case was solved by medics who recognised symptoms from which Christie novel?

The book's thallium plot came from a suggestion by the chief pharmacist at University College Hospital, where Christie worked in WWII.

Which was Christie's last novel, published in 1973?

Textual analysis of her late books suggests she may have been developing dementia by then.

The title of The Mirror Crack'd from Side to Side comes from which poet's work?

It's a line from 'The Lady of Shalott'; Shakespeare is the writer Christie quoted most often in her titles.

Christie and Mallowan's main home from 1934, where she did much of her writing, was in a hamlet near which town?

Winterbrook House now bears a blue plaque, and she was president of the local amateur dramatic society from 1951 to 1976.