Escape realism even for a few minutes. You can use medium difficulty Sudoku puzzles to break your daily routine. You can also use it to get out of a boxed thought and see the situation from a renewed perspective. Solving Sudoku puzzles maybe difficult but that's good distraction. You can even say that Sudoku is addictive but it's okay to be a Sudoku addict. | 200+ Sudoku Medium Puzzle Books by Senor Senor Sudoku, Paperback | Indigo Chapters