Hard Sudoku Puzzle Book - 160 Puzzles and Solutions - 2 Puzzles Per Page

160 Hard Sudoku Puzzles
Fun way to challenge yourself at home, and for addicts of this challenging game, both kids and adults.
The hours of fun inside makes a great gift!This book contains
160 of "SUDOKU" puzzles of varying difficulty, Will take you to a journey of discovery of this most addictive game. Keep your brain fit, young, and flexible! Each puzzle has one solution - provided at the back of the book.