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40 x 40 Enormous Sudoku Book

Welcome to this fantastic collection of 100 ENORMOUS sudoku puzzles, in a huge 40x40 grid size. If you're a fan of traditional 9x9 sudoku but need an extra challenge, look no further. Perhaps you've already advanced to 12x12, or even 36x36. If you still feel you can go bigger and better- this is the book for you!

This book is guaranteed to bring hours and hours of mind-boggling fun. Each puzzle requires your very best puzzle solving skills to crack. With 100 puzzles to keep you busy, we are sure this collection will bring you a huge amount of fun.

Place each number from 1 - 40 exactly once in each row, column and bold-lined box. All puzzles are carefully selected to be solvable without requiring pencilmarks, since writing options from 1 - 40 in a square is hardly practical. You'll never need to guess when solving these puzzles, and they each have a unique solution. Can you solve them all?

Full solutions are listed towards the back of the book so if you get stuck along the way- take a peek there!

All of our puzzle books are printed on very high quality paper, making the puzzle experience all the more enjoyable! Please do let us know what you thought of this HUGE grid size. We love your feedback!

If you would like to try one of the puzzles before buying this book, please click the link below:

Enormous sudoku sample

The book of enormous sudoku is available to purchase right now from Amazon.co.uk, Amazon.com and Amazon.eu. Please click the relevant link below to purchase this book via Amazon:

If you're based in Europe but outside the UK, then this book is also available on the version of Amazon in your country.
Enormous sudoku cover

Enormous sudoku interior

How to solve Hanjie Puzzles

In our new series of videos, you can learn about new puzzle types and take part in quizzes. Why not have a watch?

A fun logic puzzle, hanjies result in a simple piece of grid art being created. If you're new to this puzzle type but are intrigued and would like to give it a go, this video has a walkthrough of how to solve a simple hanjie puzzle to start you on your hanjie-solving adventures...

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