Sudoku Large Print With Tips and Tricks: 150 Medium to Hard Puzzles for Adults & Seniors for Gradually Improving Sudoku Skills, One Per Page (Sudoku Sensei Series) by Puzzleverse Books

Easy on Your Eyes, engaging for your brain! Do you want to have a clear and trained mind even if you are already no longer very young? Sudoku has been called the Rubik's Cube of the 21st century. It is a puzzle based on logic and numbers. Still, it is not necessary to be a mathematical genius, but only logical reasoning and patience. Sudoku is a valuable exercise, a combination of relaxation and mental training that significantly improves the mind's memory and freshness. Benefits of Sudoku: Delay brain aging Read more