Extreme Sudoku to Go: hard - very hard - extreme Pocket Size Book 5 x 8 150+ Grids Compact & Travel-Friendly - Paperback

by Sudoku to Go Print (Author)

This book has a smaller size than most Sudoku books and is ideal for carrying with you in your pocket or purse when you are on the go.

It contains a collection of 162 classic Sudoku problems, expertly designed and graded: hard - very hard - extreme.