Sudoku Puzzle Book Hard Level

Sudoku is a number placement puzzle and it can be solved with reasoning and simple logic. Inside this book you will find 240 hard puzzles ideal for advance solvers.

This book will appeal to all puzzle lovers and is ideal for taking with you on holiday or on your way to work on the daily commute.

Sudoku Puzzle Book Features:

• 240 fun and engaging puzzles-
• LARGE PRINT: 4 puzzles per 8.5" x 11" page with plenty of room to work