With vibe coding, you can ask an AI to write a small program that builds the full interior of a notebook, planner or activity book in the right KDP format: lined pages, calendars, grids, page numbers and correct margins, exported as a single PDF. For repetitive interiors it is faster than layout software, and every variant (6 × 9, A5, 120 or 200 pages) takes seconds to generate. Here is the method and the KDP rules to build in from the start.
Lire en français : Vibe coding et livres KDP : générer tes intérieurs avec l'IA
Contents
Why code an interior instead of drawing it
A notebook or planner is made of pages that repeat with small variations: the date changes, the page number changes, the inside margin alternates between left and right pages. That is exactly what a program does better than a person.
- Accuracy: margins and bleed are calculated, not placed by eye.
- Instant variants: changing the trim size or page count means changing one number.
- Dated planners: a full 2027 calendar with the right weekdays and no typing errors.
- Collections: one structure reused across several themes for a book series.
The KDP rules to give the AI
The AI does not always know KDP's latest rules: state them explicitly in your request, and check the values against KDP's official help before you print.
| Setting | Common value (paperback) |
|---|---|
| Trim size | 6 × 9 in, or 8.5 × 11 in for activity books |
| Bleed | 0.125 in on top, bottom and outside edge, if artwork touches the edge |
| Inside margin (24 to 150 pages) | 0.375 in minimum |
| Outside margin | 0.25 in without bleed, 0.375 in with bleed |
| File | PDF, fonts embedded |
Tip: ask the AI for a "check" mode that draws the safe zone in red on every page. Review the PDF, then run it again without that mode for printing.
Step-by-step method
- Describe the book: trim size, page count, page type (lined, dotted, grid, weekly), font, line weight.
- Ask for a script that outputs a PDF (in Python, the ReportLab library is a common choice) plus instructions to install it on your computer.
- Generate a 10-page test and view it at 100%: line weight, margins, numbers.
- Add the special pages: title page, "This notebook belongs to", index, notes pages.
- Generate the final version and load it into KDP's previewer, which flags anything outside the safe zone.
For the cover, the spine width depends on page count and paper: the guide how to publish a book on Amazon KDP covers that step.
Interiors that are easy to generate
- Notebooks: lined, dotted (bullet journal), grid or music staff.
- Planners: dated or undated, daily, weekly, with habit trackers.
- Activity books: word searches, sudokus, mazes, generated with their answer keys.
- Logbooks: reading, fitness, budget, gardening, with tables to fill in.
A word of caution: a blank notebook rarely sells if it looks like thousands of others. The value comes from the niche, the theme and the cover, not just the interior.
What KDP expects from you
An interior made by a script you had written for you is not "AI-generated content" in KDP's sense: it is layout. But if AI writes text or creates illustrations that appear in the book, KDP asks you to disclose it when you publish. We cover these rules in our article on AI and books.
Frequently asked questions
Do I need layout software for a KDP interior?
No. A PDF in the right trim size, with the right margins and embedded fonts, is enough. A script can produce it just as layout software can.
Which programming language should I ask the AI for?
Python is the easiest to install and has proven libraries for creating PDFs, such as ReportLab. The AI will explain how to set it up.
Does a script-generated notebook have to be disclosed as AI content?
Not for layout alone. Disclosure covers AI-generated text, images or translations that appear in the book.
In short
Vibe coding is ideal for repetitive KDP interiors: precise, quick to adapt and easy to fix. Give the AI the exact trim and margin rules, always test a short sample, and put your energy into the niche and the cover, which are what really sell a notebook.
Lire en français : Vibe coding et livres KDP : générer tes intérieurs avec l'IA
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