Train your brain while having fun! Are you ready for new, exclusive, fun sudoku challenges? This pocket size of Sudoku puzzle books was created specifically to make it small and suitable for travel. This Sudoku book has a size of 5 "x 8", so it is small enough to fit your every need . Here you will find: - Pocket size convenient and practical 5 x 8 -100 Sudoku from easy to medium with solutions - A collection of pocket books that you can follow after this book - Quick instructions - Immediate indications on the level of skill required, on the cover I t is an excellent gift for any occasion. Get your sudoku book today!