Sudoku is a very good start for parents who wish to introduce mathematics to their children at an early age. It would certainly enhance their understanding of the mathematical concepts such as counting, number sequence, recognition of missing numbers, ascending and descending orders and etc. For the beginners, sudoku offers great challenge and a comprehensive 'brain workout'. 56 puzzles in this book are designed by an expert teacher. He had maintained certain standard in each puzzle so that it will keep anyone who attempts them to be much involved and engrossed....... get one for yourself.