Sudoku Puzzle Game Book  (English, Paperback, Singh Chanda B.)

2nd Book of the Classic Sudoku Puzzles! Sudoku is a logic-based puzzle game that will make your active even at older age. 1. Includes FREE bonus puzzles; 2. Puzzles for every skill level: Beginner to Expert; 3. 50 Easy, 100 Medium, 50 Hard, and Bonus Puzzles; 4. Large Print (Puzzles Font is 20); 5. Easy to Cut Out, wider margins make it easy; 6. Brain teasing puzzles; 7. Include Puzzles Solving Techniques;