Puzzles at the War Room Sudoku Puzzle Books for Professionals - Senor Sudoku - Bog

Yes, you are very busy because you are a professional. But sometimes, you need peace and quiet. You need to be able to sit back and reflect on your day without fear of being locked in a thought. That''s what Sudoku does. The puzzles promise the element of surprise. You can never tell what puzzle to solve next. Begin today.