Levels of difficulty: Medium to Evil. These puzzles are symmetrical. Sudoku started in America. Became popular in Australia...then Hong Kong. When it hit Japan, it zoomed and boomed. The Japanese made the symmetry rule. This book has 50 pages of HOW TO. It might look complicated, but it's pretty easy to understand. With this book you can now solve Sudoku puzzles fast.
Read More
Levels of difficulty: Medium to Evil. These puzzles are symmetrical. Sudoku started in America. Became popular in Australia...then Hong Kong. When it hit Japan, it zoomed and boomed. The Japanese made the symmetry rule. This book has 50 pages of HOW TO. It might look complicated, but it's pretty easy to understand. With this book you can now solve Sudoku puzzles fast.
Read Less
