# How to make a sudoku book for KDP

Clue counts by difficulty, unique solutions, answer pages, page count and the low-content question.

A sudoku book lives or dies on one thing: every puzzle must have exactly one solution. A puzzle with two answers feels broken to anyone who solves it.

## Difficulty

Fewer starting numbers make a harder puzzle. kdpbookai aims for these clue counts:

| Level | Clues |
| --- | --- |
| Easy | 40 |
| Medium | 32 |
| Hard | 26 |

The book runs from easy to hard in three sections, so the reader warms up first.

## One solution, checked

Each grid starts full and numbers are removed one at a time. After every removal a solver checks that only one solution is left; if not, the number goes back.

## Answers

Put the answers at the back, several to a page, numbered like the puzzles. kdpbookai prints six answers to a page.

## Print settings

Sudoku books in kdpbookai have 50–400 pages on 8.5 × 11 in, 8 × 10 in, 7 × 10 in, black ink on white paper. The cover has no picture: a solid color, the title and a small sample grid.

## Is it low-content?

KDP's note: "Coloring and puzzle books are generally not low-content." So publish with an ISBN. See [low-content books](https://kdpbookai.com/guides/kdp-low-content-books).

> Making the puzzles and the print files uses no AI credits. Only the optional title and back-cover text are written with AI.

## Sources

- Source: [KDP · Low-Content Books](https://kdp.amazon.com/en_US/help/topic/GGE5T76TWKA85DJM), checked 2026-11-07.
- Source: [KDP · Print Options](https://kdp.amazon.com/en_US/help/topic/G201834180), checked 2026-11-07.
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Page: https://kdpbookai.com/guides/make-a-sudoku-book-for-kdp · Checked 2026-11-09

Independent product. Not affiliated with Amazon. KDP and Kindle are trademarks of Amazon.com, Inc. kdpbookai is not connected to kdpbook.io or any other similarly named service.