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Packs · Games and puzzles · Edition 1

Gallows Quay Casebook, Vol. 1

Forty logic-grid mysteries set in one harbour town with a recurring cast. Each case is a short story and a set of clues; you work out who, where and with what on the grid.

Written with AI assistance and checked by hand. Each case is checked by a computer solver to have exactly one solution.

Free · no email, no account · Download

The cover of the Gallows Quay Casebook, with a lighthouse drawing

What is in it

WhatHow manyNotes
Easy cases103×4 grids
Medium cases154×4 grids
Hard cases104×5 grids
Fiendish cases55×5 grids
In all40about 85 pages (A4)

Also in the download:

  • A short “how to solve” section at the front
  • A solutions booklet, with every grid worked
  • A large-print edition, one grid to a page
  • A tablet edition for e-ink readers and tablets

Who it is for

It is for people who like a logic puzzle with a story: work out who did it, where, and with what, from the clues alone.

If you have never done a logic grid, the how-to-solve section and the ten easy cases at the start are written for you.

How the cases work

  1. Read the story: it sets up the people, the places and the things.
  2. Work through the clues on the grid: a cross for what cannot be true, a tick for what must be.
  3. Keep going until every row and column has exactly one tick.
  4. Check your answer in the solutions booklet.

The cases get harder as the book goes on. Each case is checked by a computer solver to have exactly one solution.

Files and formats

The zip contains:

  • the casebook in A4 and in US Letter
  • the large-print edition, A4 and US Letter
  • the tablet edition
  • the solutions booklet, A4 and US Letter

Works with any PDF reader.

Licence

Free, on the same terms as every sheet on this site: print it, copy it, use it at home or at work, and give it to whoever needs it. Please do not sell it or upload the files to another site; link to this page instead. Usage and licence.

Questions

Do I need to know how logic grids work?

No. The casebook opens with a short section on how to solve one, and the first ten cases are small.

Does each case have one answer?

Yes. Each case is checked by a computer solver to have exactly one solution.

Can I print copies for a class or a club?

Yes, as many as you need. Please link people to this page rather than uploading the files elsewhere.

Which file should I download?

The casebook for your paper size and the solutions booklet. The zip adds the large-print edition, one grid to a page, and a tablet edition for e-ink readers and tablets.

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Everything here is free

Every sheet, binder, game and puzzle on Upkeep Papers is free to download, with no email and no account. Making them is not free: each one takes days of research, design and checking, and the site costs money to run. If something here saved you time, you can buy us a coffee. It is entirely optional: nothing is locked, and nothing changes if you don’t.

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