Publisher's Synopsis
The Hard to Extreme Sudoku Puzzle Book (Volume 3)
Sudoku is not only a placement game that brings us lots of fun, but also a great brain exercise
that helps strengthen our mind and boost memory.
In this compact size book, you can play 120 large-print sudoku puzzles with increasing complexity level:
30 hard puzzles,
30 a bit harder puzzles,
30 much harder puzzles,
and 30 extreme puzzles.
This is a great gift for anyone who loves challenging sudoku puzzles, especially those with eyesight problems.
