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Genius-Level Sudoku: Over 300...
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Will Shortz Presents Hard...
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Absolutely NastyŽ Kakuro...
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Absolutely NastyŽ Kakuro...
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Sudoku for Brain Fitness: 90...
Steven Clontz,
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Logic Puzzles Book for Brain...
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Absolutely NastyŽ Kakuro...
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Creative Brain Games Extreme...
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Will Shortz Presents the Huge...
Will Shortz (Editor)
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Will Shortz Presents Sleepy...
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Will Shortz Presents Black...
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Will Shortz Presents...
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Will Shortz Presents Hard...
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The Original Sudoku
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Third-Degree White Belt...
Frank Longo
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White Belt Sudoku(r)
Michael Rios
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Will Shortz Presents Simply...
Will Shortz (Editor)
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Cuckoo Sudoku: Sudoku...
Djape
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Mensa(r) Sudoku
Michael Rios
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Absolutely NastyŽ Kakuro...
Conceptis Puzzles
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Kindkids Super Sudoku: A...
Better Day Books
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Gone Puzzlin' Ultimate Mixed...
Parragon Books (Editor)
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Kakuro, Level Three
Conceptis Puzzles
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Kakuro, Level One
Conceptis Puzzles
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Simply Sinister Sudoku: 200...
Will Shortz
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