200 HARD and challenging Sudoku puzzles with answers

Everyone (from kids to adults) will love this oustanding compilation of 200 HARD and very challenging Sudoku puzzle book in a handy, handbag sized, travel format and beach ready book!
This book is printed two puzzles per page giving a generous space to do your notations etc., and they always include a complete set of solutions at the back of the puzzle book. They're also printed on high quality paper - far better quality than you experience in normal magazine or newspaper publications - your ink will not bleed. Unlike most puzzle books out there, our paper will not rub away when you tidy and erase your notations!
Why don't you exercise your brain with the power of logic and our HARD Sudoku puzzles?Better still, while you are here, why not buy a copy for your friends?