200 Hard Sudoku (Interactive Puzzles Ebook)

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Solve these hard Sudoku puzzles!

This sudoku book has instructions how to play and some basic tips for beginners as well.

You may solve these at your own leisure or challenge yourself to solve these 200 sudokus in 4 months or less!

Features

Difficulty level: Hard
Easy to navigate: Interactive buttons with clickable tap links i.e. puzzle list, puzzles, solutions.
Sudoku type: Classic 9x9
Number pf puzzles: 200
Solutions: Included
Instructions: Basic Instructions how to play sudoku with tips included

Possible benefits of puzzles

Recognition or recognition memory
Overall mental sharpness
Patience
Concentration
Relaxation
Less over-thinking
Mental reward or sense of achievement

Have fun!