Sudoku Puzzle Book : A Bargain Bonanza for Sudoku Lovers 1000 Easy to Very Hard Puzzles
Sudoku has helped me to improve myself in logical reasoning. Now I find solving logical questions easier than what I did before I started solving sudoku.Sudoku has helped me to improve my concentration. When I solve sudoku I hardly get distrated by whatever is happening around me. When I realised this I started solving sudoku in places where there is a lot of disturbance.