When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti Diagonal Sudoku 9x9. After solving

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti-Knight Sudoku 9x9. After solving a

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti-King Sudoku 9x9. After solving all

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Anti Diagonal Sudoku 16x16. After solvi

When you buy this book you get an electronic version (PDF file) of the interior of this book. Become a master in solving Non-Consecutive Sudoku. After solving a