---
title: "The Once Books team | Once Books"
description: "Once Books turns a few photos of one child into a printable picture book. The hard part is the Consistency Engine, which keeps that child recognisable from the first page to the last. This is the team building it."
source: "https://www.oncebooks.com/authors/team"
---

1. [Home](https://www.oncebooks.com/)
2. [Blog](https://www.oncebooks.com/blog)
3. The Once Books team

Author

# The Once Books team

Once Books turns a few photos of one child into a printable picture book. The hard part is the Consistency Engine, which keeps that child recognisable from the first page to the last. This is the team building it.

## Posts by The Once Books team

- [21 October 2026 · 6 min read](https://www.oncebooks.com/blog/how-we-prove-a-binairo-has-one-solution) — How we prove a Binairo has one solution
- [20 October 2026 · 6 min read](https://www.oncebooks.com/blog/personalised-books-in-the-classroom) — Personalised books and puzzles in the classroom
- [19 October 2026 · 6 min read](https://www.oncebooks.com/blog/printable-puzzles-for-kids-and-adults) — Printable puzzles for kids and adults, free to make
- [18 October 2026 · 6 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-binairo-books-on-kdp) — How to make and sell Binairo books on Amazon KDP
- [17 October 2026 · 5 min read](https://www.oncebooks.com/blog/free-printable-sudoku) — Make a free printable sudoku (and turn it into a book)
- [16 October 2026 · 7 min read](https://www.oncebooks.com/blog/why-picture-nonograms-need-a-guess) — Why a picture nonogram almost never solves by pure logic
- [15 October 2026 · 6 min read](https://www.oncebooks.com/blog/how-to-build-a-bedtime-reading-routine) — How to build a bedtime reading routine that sticks
- [14 October 2026 · 7 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-nonogram-books-on-kdp) — How to make and sell nonogram books on Amazon KDP
- [13 October 2026 · 6 min read](https://www.oncebooks.com/blog/word-search-books-for-kids-on-kdp) — Word search books for kids on KDP: what sells
- [12 October 2026 · 8 min read](https://www.oncebooks.com/blog/how-to-self-publish-a-childrens-picture-book) — How to self-publish a children’s picture book
- [10 October 2026 · 7 min read](https://www.oncebooks.com/blog/sudoku-word-search-or-crossword) — Sudoku, word search or crossword: which to start with
- [9 October 2026 · 6 min read](https://www.oncebooks.com/blog/the-five-maze-shapes) — Five maze shapes, and what each one does to the solving
- [8 October 2026 · 8 min read](https://www.oncebooks.com/blog/stripe-checkout-without-webhooks) — Stripe Checkout without webhooks: a pull-based design
- [7 October 2026 · 7 min read](https://www.oncebooks.com/blog/what-makes-a-maze-hard) — What actually makes a maze hard (we measured it)
- [6 October 2026 · 7 min read](https://www.oncebooks.com/blog/kdp-cover-size-and-spine-width) — KDP spine width and cover size: the exact formula
- [5 October 2026 · 8 min read](https://www.oncebooks.com/blog/picture-books-for-big-changes) — Picture books for big changes in a child's life
- [4 October 2026 · 8 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-maze-books-on-kdp) — How to make and sell maze books on Amazon KDP
- [3 October 2026 · 6 min read](https://www.oncebooks.com/blog/kdp-sudoku-interior-specs) — KDP sudoku interior specs: trims, margins and solutions
- [1 October 2026 · 8 min read](https://www.oncebooks.com/blog/how-we-guarantee-one-solution-sudoku) — How we make sure every sudoku has one solution
- [29 September 2026 · 9 min read](https://www.oncebooks.com/blog/kdp-paperback-publishing-checklist) — How to publish a paperback on KDP: the checklist
- [28 September 2026 · 6 min read](https://www.oncebooks.com/blog/personalised-christmas-books-for-kids) — Personalised Christmas books for kids: what to look for
- [23 September 2026 · 7 min read](https://www.oncebooks.com/blog/planner-niches-that-sell) — Planner niches that sell on KDP
- [23 September 2026 · 7 min read](https://www.oncebooks.com/blog/journal-niches-that-sell) — Journal niches that sell on KDP
- [23 September 2026 · 9 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-planners-on-kdp) — How to make and sell planners on Amazon KDP
- [22 September 2026 · 6 min read](https://www.oncebooks.com/blog/two-kinds-of-personalised-childrens-book) — The two kinds of personalised children's book
- [22 September 2026 · 7 min read](https://www.oncebooks.com/blog/journal-and-planner-interior-specs) — Journal and planner interior specs: trim, gutter, bleed
- [22 September 2026 · 8 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-sudoku-books-on-kdp) — How to make and sell sudoku books on Amazon KDP
- [22 September 2026 · 10 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-journals) — How to make and sell journals and notebooks
- [22 September 2026 · 6 min read](https://www.oncebooks.com/blog/how-to-make-a-picture-book-starring-your-child) — How to make a picture book starring your child
- [22 September 2026 · 6 min read](https://www.oncebooks.com/blog/dated-vs-undated-planners) — Dated or undated? Which planner to publish
- [21 September 2026 · 7 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-spatial-puzzle-books-on-kdp) — How to make and sell 3D spatial puzzle books on Amazon KDP
- [17 September 2026 · 6 min read](https://www.oncebooks.com/blog/large-print-crossword-books-kdp-niche) — Large-print crossword books: a KDP niche worth publishing
- [17 September 2026 · 6 min read](https://www.oncebooks.com/blog/kdp-crossword-interior-specs) — KDP crossword interior specs: trim, margins and clues
- [17 September 2026 · 8 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-crossword-books-on-kdp) — How to make and sell crossword books on Amazon KDP
- [14 September 2026 · 5 min read](https://www.oncebooks.com/blog/word-search-with-a-print-ready-answer-key) — How to make a word search with a print-ready answer key
- [14 September 2026 · 7 min read](https://www.oncebooks.com/blog/word-search-book-niches-that-sell) — Word search book niches that sell on KDP
- [14 September 2026 · 5 min read](https://www.oncebooks.com/blog/large-print-word-search-books-kdp-niche) — Large-print word search books: a KDP niche worth publishing
- [14 September 2026 · 6 min read](https://www.oncebooks.com/blog/kdp-word-search-interior-specs) — KDP word search interior specs: trim, margins and gutter
- [14 September 2026 · 8 min read](https://www.oncebooks.com/blog/how-to-make-and-sell-word-search-books-on-kdp) — How to make and sell word search books on Amazon KDP
- [14 September 2026 · 6 min read](https://www.oncebooks.com/blog/free-vs-paid-word-search-generators) — Free vs paid word search generators: what gets published
- [11 September 2026 · 5 min read](https://www.oncebooks.com/blog/meaningful-gifts-for-a-one-year-old) — Meaningful gifts for a 1-year-old, not just more toys
- [5 September 2026 · 3 min read](https://www.oncebooks.com/blog/digital-vs-hardcover-which-to-choose) — Digital or hardcover: which personalised book to get?
- [4 September 2026 · 6 min read](https://www.oncebooks.com/blog/books-where-your-child-sees-themselves) — How to find books where your child sees themselves
- [31 August 2026 · 6 min read](https://www.oncebooks.com/blog/the-cast-and-the-sets) — The cast and the sets: the art that holds a book together
- [28 August 2026 · 6 min read](https://www.oncebooks.com/blog/reluctant-readers-see-themselves) — Reluctant readers: how to get a child excited about books
- [21 August 2026 · 5 min read](https://www.oncebooks.com/blog/why-childhood-keepsakes-matter) — Why childhood keepsakes matter, and what makes one last
- [18 August 2026 · 5 min read](https://www.oncebooks.com/blog/how-the-consistency-engine-works) — The four locks behind a consistent AI picture book
- [17 August 2026 · 4 min read](https://www.oncebooks.com/blog/why-ai-picture-books-drift) — Why AI picture books drift, and how we stop it
- [14 August 2026 · 4 min read](https://www.oncebooks.com/blog/print-ready-ai-illustration) — Why AI art usually isn’t print-ready, and how we fix it
- [14 August 2026 · 4 min read](https://www.oncebooks.com/blog/are-ai-personalised-books-safe) — Are AI personalised children’s books safe? What to ask
- [10 August 2026 · 3 min read](https://www.oncebooks.com/blog/how-to-choose-photos-for-your-book) — How to choose photos for a book that looks like your child