Amazon Digital Services LLC - KDP Print US

500+ Hard Sudoku For Adults Amazon Digital Services LLC - KDP Print US

Are you a sudoku addict ?! This book includes more than 500 difficult level sudoku puzzles. The grid size of the puzzles are large and clear, each sheet contains four puzzles.
Have fun and improve your brain activity, increase your concentration and memory.


All puzzles are challenging but solvable.
In this book you will also find a part dedicated to solutions.

Details:
- Lots of sudoku puzzles: 500+ Sudoku puzzles
- Paper size 8.5 x 11 inches.
- The grid size of the Sudoku puzzles in the book is 9x9.
- The puzzles are printed on high quality white paper.