
Summary
Summary of The Mystery of 31 New Inn
Key ideas
Key idea 1
A secret journey raises medical doubts
Dr. Jervis agrees to visit a sick man whose identity and address must remain secret. The carriage shuts him into darkness, with wooden shutters, outside locks and no inside handles. Unable to see, he listens to the road surfaces, railway arches and a departing train.
At the house, an old man lies in a deep stupor with tiny pupils. Weiss suggests sleeping sickness, but Jervis suspects morphine. The strange journey and the patient's condition leave him uneasy enough to seek Thorndyke's advice.
Key idea 2
Suspicion needs evidence that can stand
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Key idea 3
The patient almost gets to speak
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Key idea 4
A signed will seems beyond challenge
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Key idea 5
Ordinary objects become possible witnesses
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Key idea 6
The compass record finds a house
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Key idea 7
Jervis becomes a target himself
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Key idea 8
Every theory must fit every fact
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Go deeper: the whole of The Mystery of 31 New Inn
About 5 h 10 min to read.Who it’s for
Readers who enjoy a detective who reasons in the open, clues laid on the table, London streets in the age of hansom cabs, and the pleasure of testing their own guesses against the case.
What this book is
The Mystery of 31 New Inn begins with a night call for Dr. Jervis. R. Austin Freeman, an English writer trained as a doctor, sends Dr. Jervis on this night call, while his friend Dr. Thorndyke, a physician and barrister, reads physical evidence. Soon a quiet legal problem about a dead man's will begins to press on the first case. Jervis tells the tale, often a step behind, so you puzzle alongside him. Every clue is laid before you.
In this summary
- 1A doctor is driven off in the darkFree
- 2Thorndyke turns a compass into a map
- 3A second call and a race against sleep
- 4The police shrug and Jervis joins Thorndyke
- 5A will that no lawyer can fight
- 6Odd clues in a dead man's rooms
- 7A chart leads to an empty house
- 8The hunter becomes the hunted
- 9How the book teaches you to think
Key point 1 of 9
A doctor is driven off in the dark
Dr. Jervis is minding a practice in Kennington when a coachman with a sly face hands him a note signed H. Weiss. It asks him to see a sick friend who will accept a doctor only if told nothing about who he is or where he lives.
Jervis dislikes it, but he agrees. The carriage has wooden shutters, outside locks and no inside handles. In total darkness he listens to granite setts, railway arches and a train pulling out.
In a bare house he finds an old man in a deep stupor with tiny pupils. Jervis suspects morphine, though Weiss suggests sleeping sickness. He leaves uneasy and goes to consult Thorndyke.
That’s 1 of 9 key points.
The rest of the summary, written and spoken, and the whole book: free to start.
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Check yourself
Why does Thorndyke give Jervis a compass board?
Right. “Jervis is to log the time, direction and every change of road surface, so that a rough track can be checked against the map.”Not quite. “Jervis is to log the time, direction and every change of road surface, so that a rough track can be checked against the map.”
How does Thorndyke treat the signed will?
Right. “To Thorndyke it is one fact, to be tested against every hypothesis.”Not quite. “To Thorndyke it is one fact, to be tested against every hypothesis.”
Why does Thorndyke insist that Jervis stay indoors after the tea shop incident?
Right. “Jervis must stay indoors, for his evidence is the only thing that could convict these people.”Not quite. “Jervis must stay indoors, for his evidence is the only thing that could convict these people.”

Go deeper: the whole of The Mystery of 31 New Inn
About 5 h 10 min to read.Questions about The Mystery of 31 New Inn
What is The Mystery of 31 New Inn about?
It is a detective novel about two cases. A doctor is secretly summoned to treat a drugged patient in a hidden house, and Dr. Thorndyke investigates the will of a dead man whose death at New Inn seems settled.
Who is Dr. Thorndyke?
Dr. John Thorndyke is Freeman's series detective, a physician and barrister who specializes in medical jurisprudence. He solves cases by careful observation, testing hypotheses, and using science and instruments made by his servant Polton.
Do I need to read other Thorndyke books first?
No. The story stands on its own, and Jervis explains who Thorndyke and Polton are as he goes. A brief mention of an earlier case, The Red Thumb Mark, adds background but is not needed.
Who tells the story, and why does it matter?
Dr. Jervis tells it in the first person. He is intelligent but often puzzled, so readers share his confusion and see the clues at his pace, while Thorndyke's explanations arrive step by step.
Is The Mystery of 31 New Inn easy to follow?
Yes, in the sense that the clues are plainly set out and the chapters move between vivid scenes, such as a carriage ride, a lunch at the Cheshire Cheese and a tea-shop encounter. Thorndyke explains his methods clearly.
Cite this edition
Freeman, R. Austin. The Mystery of 31 New Inn. Library of Alexandria, 2026, libraryofalexandria.com/products/the-mystery-of-31-new-inn.
Freeman, R. A. (2026). The mystery of 31 New Inn. Library of Alexandria. https://libraryofalexandria.com/products/the-mystery-of-31-new-inn (Original work published 1912)
Freeman, R. Austin. The Mystery of 31 New Inn. Library of Alexandria, 2026. https://libraryofalexandria.com/products/the-mystery-of-31-new-inn.
@book{freeman2026mystery,
author = {Freeman, R. Austin},
title = {The Mystery of 31 New Inn},
publisher = {Library of Alexandria},
year = {2026},
url = {https://libraryofalexandria.com/products/the-mystery-of-31-new-inn},
note = {First published 1912}
}



















