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Wednesday, 17 June 2026 | Difficulty III

The Case of the Wrong Edition

A wealthy collector orders a 1623 First Folio. It is delivered. On inspection at home, the binding is the same; the edition is the wrong one.

Two Shakespeare folios and a re-tied parcel on a bookseller's counter, showing the substituted edition and forged messenger's chit.
Narrated by Dr Watson — the case as it stood before us
Interior of Mr Berriman's Charing Cross Road bookshop, with tall oak shelves, winter light, a wood-stove, and a re-tied parcel beside an opened folio.

Section I

The Scene

Hand-drawn route map from Charing Cross Road to Cavendish Square and Cecil Court, marking the hansom-cab substitution.
The ground in question.
Setting
Mr Berriman's bookshop, Charing Cross Road
Time
Wednesday afternoon, second Wednesday of December 1893
Weather
Cold; a bright winter sun on the south side of the road
Atmosphere
A narrow shop with high oak shelves; the smell of leather and paper-dust; a wood-stove glowing red in the back corner.

Section II

The Suspects

  • Mr Berriman

    Bookseller of Charing Cross Road

    A thin, careful man of sixty, twenty-five years in the trade, with a clean reputation. He had inspected the volume in his customer's presence on the Friday and had wrapped it himself for the messenger.

  • Mr Penn

    Mr Berriman's shop-assistant, two years

    A neat young man of twenty-five, in plain shoes and a steady manner. He had been at the shop till five on Friday and had been present at the wrapping.

  • Mr Strack

    Rival book-dealer in Cecil Court

    A florid, prosperous man of fifty, who had lost the same Folio at Sotheby's the previous week by twenty pounds and had been heard to remark that he should not be sorry to see Mr Berriman's quiet customer disappointed.

  • The messenger boy

    Boy of seventeen, hired by the day for delivery

    A clean-faced boy in cap and apron, presented at the shop on Friday with a chit from a respectable hiring-stable. The boy spoke little, and he had carried the parcel by hansom to Cavendish Square at half past five.

Section III

The Evidence

  1. The substituted folio

    The volume delivered was an honest Second Folio of '32, in the binding of Mr Berriman's First. The First's identifying paper-grain and the Second's distinct lettering were the giveaway upon close inspection. The substitution was after the wrapping; the wrapping itself bore signs of a careful re-tying.

  2. The messenger's chit

    Holmes asked Mr Berriman for the messenger boy's hiring-stable chit. The chit named the Strand stable of Mr Mead, where boys were hired by the day for two shillings. The signature on the chit was Mr Mead's own - but the boy who answered it had not, on Mr Mead's evidence taken from a hansom that morning, ever been in his stable.

  3. The boy's West End accent

    Mr Penn, when pressed by Holmes for any small note of the boy, said: "Now you mention it, sir, his accent was not the East-End boy's I should have looked for. There was a West-End softness in it; he said "sir" too easily for the Strand stables."

  4. Mr Strack's Sotheby's loss

    Mr Strack had lost the same Folio at the Sotheby's auction the week before by twenty pounds, and had been heard at his club to wish ill upon Mr Berriman's quiet customer. He had no son or younger brother in the trade.

  5. Mr Pelmer of Cecil Court

    Mr Pelmer, a quieter dealer of Cecil Court, had bid against Mr Berriman for the same Folio at Sotheby's and lost it - though, unlike Mr Strack, he had made no public complaint of the matter. His shop was kept with the help of his own son, a boy of seventeen lately apprenticed to the trade.

Section IV

Statements & Testimony

  • Mr Berriman Reliable

    Bookseller

    “"I wrapped the volume at five with my own hands. I put it into the boy's care at half past five. The boy left in a hansom for Cavendish Square. I have no notion how the volumes were exchanged."”

  • Mr Mead Reliable

    Strand stable-master, hires boys by the day

    “"The chit is in my hand, sir, but the boy was not in my stable that day. I had four boys out at four o'clock and not a fifth. The chit was forged before me; I should have noticed it had I not been busy with a four-wheeler at the time."”

Section V

Your Verdict

Three picks render a verdict. Name the culprit, choose the method, and nail the keystone clue. We score all three — partial credit if you got the culprit but missed the method, full credit only if you got Holmes’s exact reasoning.

1. Name the culprit
2. Choose the method

Which of these accounts of the deed best matches the evidence?

3. Pick the keystone clue

Of all the evidence above, which single piece nails the case?

Choose a culprit, a method, and a keystone clue to render your verdict.