Books

Latchworks: The Keyholders

One great lock, twenty-four chained transmissions, and hidden layers beneath. Start here.

The Keyholders, Vol. I — The Application

An encrypted cipher hunt from Latchworks. Twenty-four chained transmissions stand between you and the door; break one and it hands you the key to the next. Hidden marks, deeper ciphers, and ciphers worked into the covers themselves. Every lock machine-proven solvable. Solve the book, unlock the society.

amazon etsy direct$9.99

The Keyholders, Vol. II — The Handbook

An encrypted cipher hunt from Latchworks. Twelve lessons teach you the craft, then dare you to take the secret back. But beneath them lie sixteen more hidden ciphers in a dozen systems, woven through the pages and scratched into the covers. Thirty locks in all. Find what the maxims leave out and build a thirteenth key the book never prints. Every lock machine-proven solvable.

amazon etsy direct$9.99

Latchworks: Field Dispatches

One evening each, a fresh visual cipher every time, and they chain into a hidden meta.

I · The Tide-House

A keeper's light on a drowned coast; a cipher held in the tides.

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II · The Listening Post

Wartime intercepts and a code buried in the static.

etsy

III · The Night Train

A sleeper car, a vanished passenger, a cipher on the rails.

etsy

IV · The Observatory

Star-charts and a code written in the constellations.

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Dispatches I–III · Bundle

The first three hunts together, at a keeper's discount.

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Latchworks: Pocket Primers

Teaching micro-books. Each drills a single concealment hand, with hidden puzzles baked in.

I · Pointer-Script

The comparator hand: a mark tells you which neighbour to take.

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II · Coordinates

The grid-hand: an address points into a page's own words.

etsy

Puzzlexity Press

Sudoku variants, word searches, cryptoquotes and crosswords. Every puzzle generated and proven to have one answer.

Killer Sudoku

100 killer sudoku graded easy to expert. Every puzzle proven to have one solution, solvable by logic alone, no guessing.

amazon etsy direct$7.99

Thermo Sudoku

100 thermometer sudoku graded easy to expert. Every puzzle proven to have one solution, solvable by logic alone, no guessing.

amazon etsy direct$7.99

Variant Sudoku: Killer & Thermo

100 puzzles, killer and thermo mixed, graded easy to expert. Every puzzle proven unique and solvable by logic alone.

amazon etsy direct$7.99

The Big Book of Sudoku

500 large-print sudoku from easy to expert, with big, eye-friendly grids and full solutions. Every puzzle is verified to have exactly one solution.

amazon etsy direct$24.99

Word Search: Birds of the Backyard

60 extra-large-print word searches celebrating backyard birds. Calm, screen-free, and easy on the eyes.

amazon etsy direct$9.99

Word Search: Gardens & Blooms

60 extra-large-print word searches full of flowers, herbs, and the garden in bloom.

amazon etsy direct$9.99

Puzzle Day for Dad

60 large-print puzzles, 30 word searches and 30 sudoku, made to help Dad unwind. A thoughtful gift.

amazon etsy direct$9.99

The Big Book of Cryptoquotes

500 famous quotes hidden in letter-substitution ciphers, graded easy to expert, with a who-said-it bonus on every one. No quote is ever repeated.

direct$22.99

The Big Book of Crosswords for Men

350 large-print crosswords graded from easy to hard, with a sharp, no-nonsense voice and full answer keys. No puzzle is repeated across the series.

direct$20.99

Word Wheels

Nine letters, one in the middle. Make every word you can using the centre letter, then hunt for the nine-letter word. The classic British brain game, each wheel with a complete, verified word list.

etsy directfrom $3.99

Alphametics

Crack the code where letters hide digits, like SEND + MORE = MONEY. Every puzzle has one provably unique solution.

etsy directfrom $3.99

Digital editions are instant PDFs; paperbacks ship from Amazon.
Full catalogues at puzzlexity.com and latch.works.