Sudoku Hard 500 Puzzles: Sudoku Puzzle Book - 500 Puzzles and Solutions - Hard Level - Volume 3. Tons of Fun for your Brain!

A classic collection of 500 hard Sudoku!

Ideal for your commute, to challenge yourself at home, and for addicts of this brainbashing game, both kids and adults.

This book with hours of fun inside makes a great gift!

We’ve had your entertainment and convenience in mind when designing this book and thought about the small details which make a difference:

• Wide center margins making it easier to work on the puzzles when you fold the book
• Bigger font and better quality paper than newspapers and magazines – easy to read and write on without worry of bleed through
• Problem levels has been expertly assessed for consistency. No wasted puzzle in this book.
• 6 problems per page with instructions and solutions at the end of the book
• Includes a FREE Bonus book

Your brain says thank you!