Publisher's Synopsis
If you wanna make your brain younger, if you wanna ameliorate your cognitive skills then this book with its perfectly designed cover and interior will challenge your capacities.the book is divided into three parts and by the end of each part, you will find the solutions of al the sudoku games.there are 196 sudoku games 9 by 9 and at the top of each game, there is a difficulty level.the book is suitable also for your kids so they solve the easy puzzles and you keep the difficult ones.
