Persons or Things Unknown by Carter Dickson

Solving a seemingly impossible murder

Dickson's story appears in the
collection A Surprise for Christmas

Golden Age mystery writers wrote many excellent short stories as well as the novels they were famous for, and they loved to turn their hand to writing short, seasonal detective stories for the periodicals published over the festive season.

Persons or Things Unknown was written by one of only two American writers admitted to the prestigious British Detection Club, Carter Dickson, who was much admired by his fellow Golden Age writers for his locked room mysteries.

Carter Dickson was one of the pen names for John Dickson Carr, who lived in England and wrote most of his novels and short stories with English settings. He wrote Persons or Things Unknown for The Sketch, a weekly illustrated journal, for their Christmas edition in 1938.

Dickson served up a locked room mystery in a spooky setting with a historical background, which is perfect entertainment for whiling away an afternoon in December or January in front of a fire as a guest in someone’s unfamiliar, and not particularly comfortable, house.

Persons or Things Unknown has the reign of King Charles II as its background. When it was written, it was far less common to combine mystery with history, particularly in short story form, than it is now.

John Dickson Carr wrote under
a number of pseudonyms 

A group of guests have gathered after dinner in the drawing room of ‘a long, damp, high-windowed house, hidden behind a hill in Sussex.’  Their host has just bought the property and the party after Christmas is also meant to be a house warming.

One of the guests, who narrates the story, tells us that the smell of the past was in the house and that you could not get over the idea that ‘someone was following you about.’

The host alarms the group of guests by saying he wants to know if it is safe for anyone to sleep in the little room at the top of the stairs. He says he has ‘a bundle of evidence’ about ‘something queer’ that once happened in the room.

He then tells them he has been given a diary in which the writer says he once saw a man hacked to death in the little room at the top of the stairs. The man’s body is alleged to have had 13 stab wounds caused by ‘a weapon that wasn’t there, which was wielded by a hand that wasn’t there’.

The diary tells the story of the beautiful young daughter of the house, who was once engaged to a local landowner. Then along came a fashionably dressed young man from the court of the newly restored King Charles II, who fell for her and was determined to win her hand in marriage. The subsequent dramatic events led to a seemingly impossible murder in the little room at the top of the stairs, which used to be called The Ladies’ Withdrawing Room. It was a mystery that no one had ever been able to solve.

The host then puts all the facts he has been able to discover before his guests, who include a policeman and an historian, and invites them to come up with a solution.

The Hollow Man is regarded
as Dickson Carr's masterpiece

John Dickson Carr was born in Uniontown in Pennsylvania in 1906 and moved to England in the 1930s, where he married an Englishwoman and began writing mysteries. He was published under the pseudonyms Carter Dickson, Carr Dickson and Roger Fairbairn.

Most of his novels had English settings and English characters and his two best-known fictional detectives, Dr Gideon Fell and Sir Henry Merrivale, were both English. He is regarded as one of the greatest writers of Golden Age mysteries. He was influenced by his enthusiasm for the stories of Gaston Leroux and became a master of the locked room detective story in which a seemingly impossible crime is solved. His 1935 Dr Fell mystery, The Hollow Man, is considered his masterpiece and was selected as the best locked room mystery of all time in 1981 by a panel of 17 mystery authors and reviewers.

Persons or Things Unknown was republished by the British Library in 2020 in A Surprise For Christmas, a collection of seasonal mysteries selected by the crime writer Martin Edwards.    

In his introduction to Persons or Things Unknown, Edwards says the author ‘blends historical atmosphere with a pleasing locked room mystery in the form of an inverted detective story of the kind first popularised by R. Austin Freeman.’

In my opinion, this pleasing locked room mystery by Carter Dickson, which takes up just 20 pages of the book, would be the perfect post lunch, or post dinner, winter diversion.

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Mystery in White by J. Jefferson Farjeon

A ‘creepy’ Christmas story with all the classic festive ingredients

John Jefferson Farjeon was a journalist who
went on to be a successful novelist

When a group of passengers trapped on a snowbound train on Christmas Eve decide to take their chances in the ‘curtain of whirling white’ to try to find shelter, the scene is set for an intriguing seasonal mystery.

No one answers the bell at the first house they find, but when they try the door handle it turns and they stumble inside with relief. The fires are lit, the table is set for tea, but surprisingly there is nobody at home.

It is obvious the occupants would not have ventured out in such extreme weather conditions unless there had been an emergency and the house has clearly been prepared for guests, so despite uncomfortable feelings of guilt, the train travellers warm themselves by the fire, eat the tea that has been prepared and set out to solve the mystery.

The main sleuthing brain belongs to an elderly gentleman, Mr Edward Maltby, of the Royal Psychical Society, who uses a mixture of reasoned logic and psychic intuition to try to work out what has happened to the occupants of the house.

He is ably assisted by a bright young man, David Carrington and his cheerful sister, Lydia, who has practical skills. A chorus girl, Jessie, who has fallen in the snow and sprained her ankle, a young clerk called Thomson who succumbs to ‘flu, Hopkins, an elderly bore, and Smith, a rough man who turns out to be a criminal, complete the Christmas house party.

Mystery in White is published as
a British Library Crime Classic

The author of Mystery in White, Joseph Jefferson Farjeon, was a crime and mystery novelist, playwright, and screen writer. Born in 1883, Farjeon worked for ten years for Amalgamated Press in London before going freelance. He went on to become the author of more than 60 crime and mystery novels, short story collections and plays.

He was a major figure during the Golden Age of murder mysteries between the two world wars and Dorothy L Sayers praised him for being ‘quite unsurpassed for creepy skill in mysterious adventures.’

Farjeon was named after his maternal grandfather, Joseph Jefferson, who was an American actor. His father, Benjamin Farjeon, was a successful novelist, one of his brothers was a composer, another a drama critic and director, and his sister, Eleanor Farjeon, wrote poems, including the words for the hymn, Morning Has Broken.

Originally published in 1937, Mystery in White was republished as a British Library Crime Classic in 2014. Like most Golden Age mysteries, it has a satisfying, logical conclusion, brought about by the deductive powers of Mr Maltby and the heroics of David.

At the end of the story, the police inspector, who manages to reach the house on Christmas Day, remarks to his sergeant: “Four murders in a dozen hours! I reckon I’ve earned my bit of turkey.”

When the owners of the house return they are happy to forgive the intrusion by the party from the train. As Lydia had said earlier to the chorus girl, Jessie: “Suppose this house belonged to you and you returned to it after the world’s worst snowstorm, would you rather find your larder empty or seven skeletons?" 

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Catholic priest was a master of the final twist

Remembering the novels of Monsignor Ronald Knox on the anniversary of his death 

Ronald Knox wrote books on many 
subjects as well as his detective novels

The brilliant Ronald Knox, who was a Catholic priest, theologian and broadcaster, is mainly remembered for being one of the founding members of the Detection Club, an elite society formed in 1930 by a group of British mystery writers. It was Knox who first laid down rules of fair play for detective novelists by producing The Ten Commandments of Detective Fiction.

The members of the Detection Club all agreed at the time to adhere to Knox’s Ten Commandments to give their readers a fair chance of guessing who is the guilty party.

During his career he produced the Knox Bible, a new English translation of the Latin Vulgate Bible, and many books on religion, philosophy and literature. Knox became a Roman Catholic chaplain at Oxford University in 1926 and was elevated to the title of Monsignor in 1936.

I was thrilled recently to discover a rare short story by Knox, The Motive, in a book of short stories edited by Martin Edwards for the British Library Crime Classics series. Some of these stories have never been republished since their first appearance in newspapers and magazines decades ago. I felt it was an opportune moment to write about The Motive as today is the 64th anniversary of Ronald Knox’s death.

In his introduction to the story, Edwards reveals that Knox had a passion for Sherlock Holmes stories and that this was what led him to try his hand at writing detective fiction. His first detective novel, The Viaduct Murder, appeared in 1925.

In The Christmas Card Crime, the third anthology of short stories for the British Library, Edwards introduces The Motive, which first appeared in The Illustrated London News in November 1937. Edwards writes: ‘Knox only wrote a handful of short crime stories but their quality makes this a matter for regret.’

The Christmas Card Crime is a 
collection of short crime stories

Because writers cannot afford to waste a single word when writing a short story, Knox goes straight into a conversation between a number of dons and their guests in the smoking room of a college after dinner. Sir Leonard Huntercombe, a barrister, is about to come under attack from another guest, Penkridge, a dramatic critic, when Sir Leonard’s host intervenes, arguing that Sir Leonard’s point of view could be justified if you believed that Law should be regarded as one of the sciences.

Sir Leonard counters by saying that if you are to succeed in the legal profession you have to be imaginative, rather than scientific, and offers to tell the group the story of one of his former clients, who was suspected of two murders, to illustrate this point. The dons all urge him to tell his story to prevent Penkridge becoming ‘unmannerly’.

The client is called Westmacott, which Edwards says Knox would have chosen for a joke because it was a pen name used by his Detection Club colleague Agatha Christie for her romance novels.

In just 16 pages, Knox manages to tell Westmacott’s unusual story, finishing with what Edwards describes as ‘a cheeky, if not shameless, final twist’ in the last paragraph. I found the story well worth reading and would definitely recommend it.

Knox first summarised his ‘fair play’ rules in the preface to Best Detective Stories 1928-29, which he edited. For budding detective novelists who would like to follow his Ten Commandments, or Decalogue, I reproduce them here:

1. The criminal must be mentioned in the early part of the story, but must not be anyone whose thoughts the reader has been allowed to know.

Knox wrote his 'ten commandments' as
a guide to fair play for detective writers

2. All supernatural or preternatural agencies are ruled out as a matter of course.

3. Not more than one secret room or passage is allowable.

4. No hitherto undiscovered poisons may be used, nor any appliance which will need a long scientific explanation at the end.

5. No Chinaman must figure in the story.

6. No accident must ever help the detective, nor must he have an unaccountable intuition which proves to be right.

7. The detective himself must not commit the crime.

8. The detective is bound to declare any clues which he may discover.

9. The sidekick of the detective, the ‘Watson’, must not conceal from the reader any thoughts which pass through his mind, his intelligence must be slightly, but very slightly, below that of the average reader.

10. Twin brothers, and doubles generally, must not appear unless we have been duly prepared for them.

(As a matter of clarification, in the light of modern-day sensitivities, the reasoning behind rule number five is that magazine stories in the 1920s so often portrayed criminal masterminds as being of Chinese ethnicity that it had become something of a cliché, one that Knox believed was best avoided.)

According to Knox, a detective story ‘must have as its main interest the unravelling of a mystery, a mystery whose elements are clearly presented to the reader at an early stage in the proceedings, and whose nature is such as to arouse curiosity, a curiosity, which is gratified at the end.’

Knox himself wrote six detective novels: The Viaduct Murder (1926), The Three Taps (1927), The Footsteps at the Lock (1928), The Body in the Silo (1933), Still Dead (1934), Double Cross Purposes (1937).

He also contributed to three collaboration works by the Detection Club: Behind the Screen (1930), The Floating Admiral (1931) and Six Against the Yard (1936).

Paperback editions of all six of his detective novels were republished by the former Orion imprint The Murder Room in 2013.

The Christmas Card Crime and other stories, edited by Martin Edwards, was published by British Library Crime Classics in 2018.

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