Stories / The Case-Book of Sherlock Holmes · 1926
The Adventure of the Three Gables
A widow is offered a fortune for her house and everything in it — because her dead son's manuscript, a roman-à-clef, is inside.
✅ 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
A widow, Mrs Maberley, is offered a startling sum for her house — on the strange condition that she sell it with all its contents, keeping nothing, not a possession of her own.
Holmes reads the clause as the clue: no one overpays for a house and its bric-a-brac unless something inside it is the target. The recently returned effects of the widow's dead son — a novelist — contain a manuscript, and the buyer is someone that manuscript would expose.
A society beauty, Isadora Klein, sought to destroy the roman-à-clef in which her jilted young lover had written their affair; she engineered the whole purchase to burn a book. Holmes exposes her and extracts restitution for the widow — reasoning from a contract's odd clause to a hidden manuscript.
Deeper reading
A weak entry, honestly noted
The Three Gables is generally reckoned among the least of the canon — a thin plot about a manuscript hidden in a house someone wants to buy wholesale — and is marred by a jarringly crude passage that has dated badly. Its interest is mostly as evidence of the later Doyle working with diminished energy.
The shape beneath
What survives is the familiar mechanism — an over-generous offer that betrays a hidden motive, here a dead son\'s scandalous roman-à-clef — the same absurd-pretext trick the canon used far better in The Red-Headed League. It serves best as a study in how a formula flags when the invention runs low.
Techniques on display
Deduction & inference
Chaining evidence into conclusions on a living board.
In this story: The 'all contents included' clause is the whole solution: buyers want land, not another's ornaments, so the sale targets a specific object — Holmes solves for what the house contains that someone fears.
Interrogation & deception
Testing stories for the thread that doesn't reach the wall.
In this story: Holmes confronts Isadora with a reconstructed motive so complete that denial is pointless, converting inference into confession and restitution.
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.