Book review: The Toughest Sudoku Puzzle Book

The Toughest Sudoku Puzzle Book

The Toughest Sudoku Puzzle Book:
200+ Puzzles to Sharpen Your Brain
by Cristina Smith & Rick Smith
Rockridge Press
Activity Books/Puzzles
180 pages


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People have different ways of relaxing. For some, after a tough day, they just want to watch an easy movie. For me, using my brain is actually the most enjoyable way of relaxing. After word games comes Sudoku. The Toughest Sudoku is definitely the best and most challenging collection I have ever found. Here is why.

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