Puzzle Books

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.

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.

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

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

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

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.

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

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

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

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.

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.

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.

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