Grab this massive bonanza of classic Sudoku grids of varying difficulty levels, expertly crafted and graded.

There are plenty of problems to enjoy in this jumbo compilation, with 2 different levels of difficulty, which makes it suitable for intermediate and advanced sudoku players in love with this super addictive game:

• 500 Medium puzzles for intermediate players or as a warm up for experts
• 500 Hard problems which will give your brain a real challenge

This book with hundreds of 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 open or fold the book
• This also makes it easy to tear out the pages if you want to
• 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
• 6 problems per page and answers at the end of the book