Publisher's Synopsis
You´ve finally mastered the basics of Sudoku and are ready to take the next step? You´ve discovered techniques and solving styles all by yourself and want to apply these strategies to conquer more challenging Sudoku puzzles.
Don´t worry - we have got just the thing.
This sudoku puzzle book include 504 difficult puzzles. Warning - HARD
Good luck and play! Keep your brain fit, young, and flexible!
- Large print on white paper is very easy to read
- Instructions and solving techniques for beginners are included
- Each puzzle has one solution - provided at the back of the book.
- Extra wide center marginsmake it easier to solve the puzzles when you fold the book back, or if you want to tear out the pages.
- You will also get another 100 Sudokus and extended solution techniques as a bonus for download
In this series, books are also available in the difficulty levels: Easy, Medium, Hard and Extreme
