By the Author
Original Sudoku Page-A-Day® Calendar 2027
A year of Sudoku puzzles hand-crafted by Nikoli, the Japanese company that invented the game. ·THE BEST SUDOKU: Every puzzle in this calendar is created…
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Original Sudoku Page-A-Day® Calendar 2026
THE BEST SUDOKU: Every puzzle in this calendar is created by Nikoli, the best Sudoku makers in the world-not a computer-to balance toughness and solvability…
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Original Sudoku Page-A-Day® Calendar 2026
THE BEST SUDOKU: Every puzzle in this calendar is created by Nikoli, the best Sudoku makers in the world-not a computer-to balance toughness and solvability…
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X-Treme Sudoku
The next step, like having a whole book of just Saturday Times crossword puzzles. Even more fiendish, even more fun, X-treme Sudoku proudly presents 320…
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More Original Sudoku
Over twenty years ago Nikoli, the Japanese puzzle and game company, started publishing a curious logic puzzle called Sudoku. The rest of the world recently…
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The Original Sudoku Book 2
“The Best Puzzles Are Made by Happy Employees.” So Ad Age describes the credo of Nikoli, the Japanese puzzle company that invented the Sudoku craze…
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The Original Sudoku
Prepare to be obsessed. Match wits with the experts who created Sudoku. Arranged from “Easy” to “Very Hard,” here are over 300 logic puzzles that…