Sudoku Plus, Volume Four
Tetsuya Nishio (Author)
January 12, 2010
4.94 X 7.1 X 0.45 inches | 0.26 pounds
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About the Author
The Times of London calls Tetsuya Nishio the undisputed grand "puzzle master" of Sudoku: "a bespectacled fiend from the darkest suburbs of Tokyo who spends his every waking hour devising abominable new ways to torture our brain cells." Tetsuya invented O-ekaki puzzles in the late 1980s, and is one of the first puzzle developers to custom-make logic puzzles such as Sudoku, which had until then been computer creations. Nishio is also the chairman of the Japan Puzzle Team at the annual World Puzzle Championships, and is a contributor to Higher Sudoku.