--- title: "Blog · page 2 | Once Books" description: "Guides, product notes and the thinking behind books that look like one book: character consistency, art styles, printing and self-publishing. Page 2 of 4." source: "https://www.oncebooks.com/blog/p/2" --- 1. [Home](https://www.oncebooks.com/) 2. [Blog](https://www.oncebooks.com/blog) 3. Page 2 Blog # Notes from the workshop Guides, product notes and the thinking behind books that look like one book: character consistency, art styles, printing and self-publishing. - [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 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. - [gifts](https://www.oncebooks.com/blog/tag/gifts) - [keepsakes](https://www.oncebooks.com/blog/tag/keepsakes) - [buying guide](https://www.oncebooks.com/blog/tag/buying-guide) - [23 September 2026 · 7 min read](https://www.oncebooks.com/blog/planner-niches-that-sell) — 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. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [planner](https://www.oncebooks.com/blog/tag/planner) - [niches](https://www.oncebooks.com/blog/tag/niches) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [23 September 2026 · 7 min read](https://www.oncebooks.com/blog/journal-niches-that-sell) — 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. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [journal](https://www.oncebooks.com/blog/tag/journal) - [niches](https://www.oncebooks.com/blog/tag/niches) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 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. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [planner](https://www.oncebooks.com/blog/tag/planner) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 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. - [personalisation](https://www.oncebooks.com/blog/tag/personalisation) - [how it works](https://www.oncebooks.com/blog/tag/how-it-works) - [buying guide](https://www.oncebooks.com/blog/tag/buying-guide) - [22 September 2026 · 7 min read](https://www.oncebooks.com/blog/journal-and-planner-interior-specs) — Journal and planner interior specs: trim, gutter, bleed The numbers a journal or planner interior must hit at KDP, Lulu or IngramSpark: trim sizes, the gutter by page count, safe area, bleed and even page counts. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [journal](https://www.oncebooks.com/blog/tag/journal) - [planner](https://www.oncebooks.com/blog/tag/planner) - [print](https://www.oncebooks.com/blog/tag/print) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 A practical 2026 guide to making sudoku books for Amazon KDP: a difficulty curve, single-solution grids, interior specs, a solutions section and upload. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [sudoku](https://www.oncebooks.com/blog/tag/sudoku) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 A practical 2026 guide to publishing lined, dot grid and guided journals on Amazon KDP, Etsy, Lulu and print-on-demand: what sells, page counts, interior rules, covers, and the duplication trap that gets books removed. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [journal](https://www.oncebooks.com/blog/tag/journal) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 A step-by-step walkthrough of making a personalised picture book where your child stays recognisable on every page, from a few photos to a print-ready PDF. - [guide](https://www.oncebooks.com/blog/tag/guide) - [getting started](https://www.oncebooks.com/blog/tag/getting-started) - [how it works](https://www.oncebooks.com/blog/tag/how-it-works) - [22 September 2026 · 6 min read](https://www.oncebooks.com/blog/dated-vs-undated-planners) — Dated or undated? Which planner to publish Dated planners sell for four months and expire; undated ones sell all year and never do. The trade-offs, the numbers, and why the answer is usually to publish both from one plan. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [planner](https://www.oncebooks.com/blog/tag/planner) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 A practical guide to cube counting, draw-the-views and build-the-solid puzzle books: picking a type, grading the book, checked answer keys and the interior. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [spatial puzzles](https://www.oncebooks.com/blog/tag/spatial-puzzles) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 Who buys large-print crossword, why the demand holds, what large print means for the grid and its 14pt clue list, and how to produce one for KDP. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [crossword](https://www.oncebooks.com/blog/tag/crossword) - [large print](https://www.oncebooks.com/blog/tag/large-print) [← Prev](https://www.oncebooks.com/blog)[1](https://www.oncebooks.com/blog)2[3](https://www.oncebooks.com/blog/p/3)[4](https://www.oncebooks.com/blog/p/4)[Next →](https://www.oncebooks.com/blog/p/3)