The puzzles in this book are based on the original 9x9 cell Sudoku puzzle but the numbers 1 to 9 have been replaced by nine letters from the Thai alphabet. The letters were chosen based on two criteria: 1) no two letters should look so similar that one might be confused with another and 2) the letters should fit neatly in the cells, that is letters in the sans serif style. There are 30 Easy, 30 Medium and 40 Hard puzzles with solutions and How-to-Play instructions on the first page. The nine letters used are also shown on ...
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The puzzles in this book are based on the original 9x9 cell Sudoku puzzle but the numbers 1 to 9 have been replaced by nine letters from the Thai alphabet. The letters were chosen based on two criteria: 1) no two letters should look so similar that one might be confused with another and 2) the letters should fit neatly in the cells, that is letters in the sans serif style. There are 30 Easy, 30 Medium and 40 Hard puzzles with solutions and How-to-Play instructions on the first page. The nine letters used are also shown on the first page as one might encounter puzzles with one or more letters missing in the unsolved puzzles.
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