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Editors of Nikoli Publishing

About the Author

Nikoli is the Japanese puzzle and game company that’s been nurturing and developing sudoku for over thirty-five years. They hold the trademark on sudoku in Japan, and supply 100 percent of the puzzles published in Japanese newspapers and magazines.

Original Sudoku Page-A-Day® Calendar 2027

Original Sudoku Page-A-Day® Calendar 2027

by Editors of Nikoli Publishing, by Workman Calendars

X-Treme Sudoku

X-Treme Sudoku

by Editors of Nikoli Publishing

More Original Sudoku

More Original Sudoku

by Editors of Nikoli Publishing

The Original Sudoku Book 2

The Original Sudoku Book 2

by Editors of Nikoli Publishing

The Original Sudoku

The Original Sudoku

by Editors of Nikoli Publishing