SUDOKU HAS ADULTS HOOKED, NOW IT'S THE KIDS' TURN Carefully designed beginner puzzles for children age 6 years and upwards, with cute DRAGON illustrations. Keep them off technology and into using their brains for a while. 'How to Sudoku - 4x4 grids' and 'How to Sudoku - 9x9 grids' teaches something about strategy and logic. From 'Easy enough to feel the satisfaction...