Stories / The Case-Book of Sherlock Holmes · 1927

Illustrated scenes from The Case-Book of Sherlock Holmes

The Adventure of Shoscombe Old Place

A ruined baronet's sister stops seeing her own dog — because she is dead in the crypt and a debt rides on her horse's Derby; the spaniel knows first.

✅ Public domain — read, share, and adapt freely.

⚠️ Spoilers below. The analysis discusses the solution, including who did it and how it's found out.

Summary & analysis

The opening

Sir Robert Norberton, ruined and staking everything on his mare in the Derby, suddenly behaves monstrously — giving away his invalid sister's spaniel and visiting the old crypt by night — and his trainer fears something dreadful.

The investigation

Two small anomalies anchor Holmes: the dog, which adored its mistress, must be given away because it would not accept the woman now impersonating her; and charred bone fragments in the crypt furnace. The sister has died, and her death is being hidden to stave off creditors until the race.

The resolution

Lady Beatrice died naturally, but Sir Robert concealed it — a double in her carriage, her body in the crypt — because her death would pass the estate to enemies and end his last gamble before the Derby. No murder, only a debtor's desperate deception, undone by a dog's nose.

Deeper reading

The dog knows first

Shoscombe Old Place — the last Holmes story Doyle wrote — turns on an animal\'s instinct: a spaniel that will not go to its mistress because the woman in her clothes is an impostor, the real mistress being dead in the crypt. Doyle gives the final case a neat, grim device and a debt-driven motive riding on a horse\'s Derby chances.

A quiet close to the canon

There is no great villain and no grand theme, just a competent, faintly melancholy puzzle — a fitting, unshowy end to forty years of stories. That the clue is a dog\'s refusal to be deceived is a small, apt grace note for a canon so devoted to reading what others miss.

Play this story

Free, built on this case's own facts — no sign-up, nothing to install.

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The Secrets of Shoscombe

A week before the Derby, search the estate where the lady of the house has stopped being herself.

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The Derby Book

Sir Robert's entire ruin, staked at starting odds — run the book that justified the crypt.

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Techniques on display

Observation

Reading occupation, history, and character from visible detail.

In this story: The spaniel is the witness: a devoted dog rejecting its 'mistress' proves the woman in the carriage is a stranger — animal recognition outweighing human disguise.

Practise: 👁️ The Science of Deduction

Elimination

Striking out the impossible until the truth remains.

In this story: Bones in a furnace and a hidden death suggest murder, but the medical facts eliminate it, leaving concealment-for-debt as the only theory that fits every clue.

Practise: ✂️ Eliminate the Impossible

Practise what this story preaches: every technique above links to a tool or game built on the same method. The best way to learn the canon is to reason along with it.