---
title: "nonogram · Blog | Once Books"
description: "2 posts tagged “nonogram” on the Once Books blog, newest first: Why a picture nonogram almost never solves by pure logic."
source: "https://www.oncebooks.com/blog/tag/nonogram"
---

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Topic

# Nonogram

2 posts on this topic.

- [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 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.
- [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 A practical guide to making nonogram (picross) books for Amazon KDP: pick a size, generate single-solution picture grids, get the interior right, upload.

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