Notes from the workshop
Guides, product notes and the thinking behind children’s books that look like one book: why AI illustrations drift, and how we keep a child recognisable.
21 October 2026 · 6 min read
How we prove a Binairo has one solution
A Binairo is two symbols and three rules. Generating one that follows them is easy; proving it is the only grid that does is the real work. Here is how.
20 October 2026 · 6 min read
Personalised books and puzzles in the classroom
How teachers use personalised books and printable puzzles in class: reading engagement, spelling practice, end-of-year gifts, and the consent to get right.
19 October 2026 · 6 min read
Printable puzzles for kids and adults, free to make
Free printable puzzles you make yourself: word search, sudoku, crossword, mazes and more, each with its answer, ready to print in a click. No sign-up.
18 October 2026 · 6 min read
How to make and sell Binairo books on Amazon KDP
A guide to making Binairo (Takuzu) books for Amazon KDP: pick a grid size, generate single-solution 0-and-1 grids, get the interior right, and upload.
17 October 2026 · 5 min read
Make a free printable sudoku (and turn it into a book)
Make and print a single sudoku free in your browser, no sign-up, then the one step that turns a puzzle into a graded book you can sell on KDP.
16 October 2026 · 7 min read
Why a picture nonogram almost never solves by pure logic
We drew 18 recognisable nonogram pictures. Every one had a single solution, but only one solved without a guess. The code, the numbers, and why.
15 October 2026 · 6 min read
How to build a bedtime reading routine that sticks
A bedtime reading routine works because it is predictable, short and the same every night. How to start one, keep it, and what to do when a child resists.
14 October 2026 · 7 min read
How to make and sell nonogram books on Amazon KDP
A practical guide to making nonogram (picross) books for Amazon KDP: pick a size, generate single-solution picture grids, get the interior right, upload.
13 October 2026 · 6 min read
Word search books for kids on KDP: what sells
How to make a kids word search book that sells on Amazon KDP: big grids, short familiar words, no diagonals, bright themes. The choices that fit a child.
12 October 2026 · 8 min read
How to self-publish a children’s picture book
Self-publishing a picture book, step by step: word count, page count, illustration costs, consistent characters, print-ready files, ISBNs and launch.
10 October 2026 · 7 min read
Sudoku, word search or crossword: which to start with
An honest comparison of the three big low-content puzzle formats for KDP: how each is made, who buys it, and where each one is harder to sell.
9 October 2026 · 6 min read
Five maze shapes, and what each one does to the solving
Square, hexagonal, triangular, circular and picture-shaped mazes. How the grid changes the puzzle, which ages each suits, and what it costs to print.
Keep reading
Answers
One sharply-scoped question per page, cost, safety, timing, printing, answered in a couple of sentences before the detail.
Glossary
Plain definitions of the vocabulary: the Character Sheet, the Consistency Engine, style profiles, drift.
Help centre
Task-shaped instructions for making, printing and sharing a book once you have started one.