180 Sudoku puzzles: 60 easy, 60 medium, 60 hard
Sudoku puzzles are fun and relaxing
For adults and kids
Perfectly trains your brain and keeps it sharp
Each sudoku has its own page so Your eyes don't get tired
Ideal for the eyes of the seniors
The puzzles become increasingly challenging as the book progresses
227 pages that provide hours of fun
Great gift for someone who loves sudoku
Related Subjects
Games