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Nikoli Publishing
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By the Author
Original Sudoku Page-A-Day Calendar 2025
Face off with a master. Don’t settle when it comes to your Sudoku: Serious Sudoku lovers choose puzzles hand-crafted by Nikoli, the Japanese company that…
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The Biggest, Bestest Book of Sudoku
The ultimate collection of over 1,000 handcrafted sudoku puzzles, in a range of difficulties, handcrafted by the masters at Nikoli in Japan (whose Workman sudoku…
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Genius-Level Sudoku
Extra tricky. Extra tough. It's the sudoku collection that's not for the faint of heart. If you're craving the challenge, sharpen your pencil and pit…
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PictoMazes
The compulsive joy of problem-solving meets the mindfulness of coloring in a new puzzle challenge from Nikoli, the original creators of Sudoku. Ordered by level…
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Expert Sudoku
Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers at the…