This book suitable for all levels from beginners to experts.
Different size of square puzzles: 9*9 & 16 * 16.
9*9 .. 20 Very easy + 20 Easy + 20 Normal + 20 Medium + 20 Hard.
16*16 .. 10 Very easy + 10 Easy + 10 Normal + 10 Medium + 10 Hard.
10 10*10 kakuro.
Includes free bonus 200 9*9 & 80 16*16 puzzles you can download.
Take a breath and sharpen your mind .. by having some fun with this great collection of sudokus, including over 450 challenges across five difficulty levels from very easy to challenging your self in hard, then become tough, and the ultimate Samurai Sudoku! which is must-have for all sudoku enthusiasts 16* 16. To get to this level you become a master samurai ... In different places .. when you lays flat at home or when you are drinking your morning coffee, or relaxing on vacation .. this sudoku book can go with you. This book also, can be given as a great gift for any occasion! birthday, road trip or more, everyone will love it!