Did you know that you can get very sociable when you're working on Sudoku puzzles? Yes, what's supposed to be an activity for quiet time can be your bridge to making new connections. How? Simply ask someone to help you solve a puzzle. Exchange ideas, techniques and strategies freely. You can even organize Sudoku parties. Sky's the limit when you have Sudoku. | 150+ Sudoku Puzzle Books Hard Challenges by Senor Senor Sudoku, Paperback | Indigo Chapters