---
title: "journal · Blog | Once Books"
description: "3 posts tagged “journal” on the Once Books blog, newest first: Journal niches that sell on KDP, Journal and planner interior specs: trim, gutter, bleed."
source: "https://www.oncebooks.com/blog/tag/journal"
---

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# Journal

3 posts on this topic.

- [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.
- [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.
- [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.

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