The Sudoku Institute Puzzle Book: Become a Black Belt Sudoku Champion
By Mitchell Symons.
Description
"The Sudoku Institute Puzzle Book" is a new brand in the highly competitive gaming world. Returning the game to its Japanese roots, this book will feature the aims of sudoku (to broaden minds, increase mental sharpness and train gamers to cope with periods of intense frustration). Where the "Sudoku Institute Puzzle Book" stands out from the others is that the quizzes are grouped in order of difficulty along the lines of martial arts 'belts' - from yellow through all the colours to black and red. The puzzles will range from simple 6 x 6 squares via increasingly ...
ISBN(s)
1416522115, 9781416522119