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.
7 October 2026 · 7 min read
What actually makes a maze hard (we measured it)
Size is not difficulty. We graded a maze generator easy to evil, measured every page, and found one of our three difficulty signals ran backwards.
6 October 2026 · 7 min read
KDP spine width and cover size: the exact formula
How to calculate KDP spine width and full-wrap cover size: the per-page paper multipliers, the bleed maths, three worked examples and the common mistakes.
5 October 2026 · 8 min read
Picture books for big changes in a child's life
A guide to picture books for a new sibling, starting school, fear of the dark and more: what each change feels like, and the books that help a child with it.
4 October 2026 · 8 min read
How to make and sell maze books on Amazon KDP
A practical guide to maze books: picking a shape and an age, grading the book, provable answer keys, large print that means something, and the interior.
3 October 2026 · 6 min read
KDP sudoku interior specs: trims, margins and solutions
The trim sizes, margins, gutter, bleed and solutions layout a KDP sudoku interior needs to pass review, with the large-print grid numbers that sell.
1 October 2026 · 8 min read
How we make sure every sudoku has one solution
How our sudoku generator works: fill a grid, remove clues in pairs, and re-solve after every removal so each board has one answer. Real code and timings.
29 September 2026 · 9 min read
How to publish a paperback on KDP: the checklist
The ordered checklist for publishing a paperback on Amazon KDP: trim, paper, page count, interior and cover PDFs, metadata, pricing, proof and review.
28 September 2026 · 6 min read
Personalised Christmas books for kids: what to look for
What separates a personalised Christmas book your child re-reads in February from one shelved by New Year, and how to make one in an evening, even late.
23 September 2026 · 7 min read
Planner niches that sell on KDP
Over 70 planner niche ideas for KDP and Etsy, grouped by audience and layout, plus how to pick a niche and check demand on Amazon first.
23 September 2026 · 7 min read
Journal niches that sell on KDP
Over 70 journal niche ideas for KDP and Etsy, grouped by ruling and audience, plus how to pick a niche and check demand on Amazon first.
23 September 2026 · 9 min read
How to make and sell planners on Amazon KDP
A practical 2026 guide to publishing daily, weekly and monthly planners on Amazon KDP and Etsy: dated versus undated, page counts, interior rules and covers.
22 September 2026 · 6 min read
The two kinds of personalised children's book
The difference between a book with your child's name woven into a fixed story and one where your child is drawn on every page, and where each kind stops.
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.