--- title: "Blog · page 3 | 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 3 of 4." source: "https://www.oncebooks.com/blog/p/3" --- 1. [Home](https://www.oncebooks.com/) 2. [Blog](https://www.oncebooks.com/blog) 3. Page 3 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. - [17 September 2026 · 6 min read](https://www.oncebooks.com/blog/kdp-crossword-interior-specs) — KDP crossword interior specs: trim, margins and clues The trim sizes, margins, gutter and clue-list layout a KDP crossword interior needs to pass review, with the 14pt clue floor and an 8.5 by 11 trim. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [crossword](https://www.oncebooks.com/blog/tag/crossword) - [print](https://www.oncebooks.com/blog/tag/print) - [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 A practical 2026 guide to making crossword books and publishing them on Amazon KDP: niches, grids, large-print clue lists, a solutions section and upload. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [crossword](https://www.oncebooks.com/blog/tag/crossword) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 How to make a word search with a clear answer key: the two solution styles, keeping the answer section compact, and how many answers per page. - [word search](https://www.oncebooks.com/blog/tag/word-search) - [answer key](https://www.oncebooks.com/blog/tag/answer-key) - [print](https://www.oncebooks.com/blog/tag/print) - [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 Over 90 word search book niche ideas for KDP, grouped by theme, plus how to pick a niche and check real demand on Amazon before you publish a single book. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [word search](https://www.oncebooks.com/blog/tag/word-search) - [niches](https://www.oncebooks.com/blog/tag/niches) - [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 Who buys large-print word search, why it stays in demand, what large print means for the grid and cell size, and how to produce one for KDP. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [word search](https://www.oncebooks.com/blog/tag/word-search) - [large print](https://www.oncebooks.com/blog/tag/large-print) - [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 The trim sizes, margins, gutter and bleed a KDP word search interior needs to pass review, with the large-print numbers that actually sell. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [word search](https://www.oncebooks.com/blog/tag/word-search) - [print](https://www.oncebooks.com/blog/tag/print) - [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 A practical 2026 guide to making word search books and publishing them on Amazon KDP: niches, puzzles, interior specs, answer keys and upload. - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [word search](https://www.oncebooks.com/blog/tag/word-search) - [low-content publishing](https://www.oncebooks.com/blog/tag/low-content-publishing) - [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 An honest look at free online word search generators versus paid KDP tools, and what a generator actually needs before it can build a book you can sell. - [word search](https://www.oncebooks.com/blog/tag/word-search) - [kdp](https://www.oncebooks.com/blog/tag/kdp) - [tools](https://www.oncebooks.com/blog/tag/tools) - [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 A one-year-old won't remember the gift, but their parents will keep it. A simple way to choose something that lasts, even for the child who has everything. - [gifts](https://www.oncebooks.com/blog/tag/gifts) - [keepsakes](https://www.oncebooks.com/blog/tag/keepsakes) - [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? A quick, honest guide to picking a format between read-it-tonight digital, a printed hardcover keepsake, and the premium gift edition. - [pricing](https://www.oncebooks.com/blog/tag/pricing) - [gifts](https://www.oncebooks.com/blog/tag/gifts) - [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 How to search for books that reflect your child's skin, family and background, the real titles worth knowing, and what to do when the book doesn't exist. - [representation](https://www.oncebooks.com/blog/tag/representation) - [reading](https://www.oncebooks.com/blog/tag/reading) - [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 The hero’s face is the famous consistency problem. The friend, the teacher and every classroom are the harder one. Here’s the reference art behind it. - [consistency](https://www.oncebooks.com/blog/tag/consistency) - [how it works](https://www.oncebooks.com/blog/tag/how-it-works) - [engineering](https://www.oncebooks.com/blog/tag/engineering) [← Prev](https://www.oncebooks.com/blog/p/2)[1](https://www.oncebooks.com/blog)[2](https://www.oncebooks.com/blog/p/2)3[4](https://www.oncebooks.com/blog/p/4)[Next →](https://www.oncebooks.com/blog/p/4)