Serendipity Puzzle Journals

Extremely tough grind Sudoku Serendipity Puzzle Journals

Bored at home and looking for a new challenge? With this book your skills are definitely going to be put to the test. Whether you want to improve your mental capacities, do things efficiently or improve your memory "Extremely tough grind sudoku" is not going to let you down.

Book features:

- 8.5"x11"
- 150 very hard puzzles with solutions
- 1 puzzle per page
- Difficulty rating
- White pages
- Elegant matte finish

This is book is also perfect for:

- Christmas gift or holiday present for friends and colleagues
- Birthday parties, office gatherings, etc
- Improve mental agility and health
- Perfect time killer for any moment and place
- Challenge yourself and become a master at Sudoku

Enjoy!