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Ready for some tough love? Snuggle up with this collection of 200 challenging sudoku puzzles from puzzlemaster Will Shortz!Features: - 200 hard puzzles- Big grids for easy solving- Introduction by legendary puzzlemaster Will Shortz

Can you take the heat? Fire up your brain with these 200 tough sudoku puzzles from puzzlemaster Will Shortz!Extra Hot Soduku features: - 200 hard puzzles to solve- Big grids for easy solving- Introduction by legendary puzzlemaster Will Shortz

Hard Sudoku Puzzles Volume 1 200 Challenging Puzzles Activity GiantsThe first in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Hard Sudoku Puzzles Volume 2 200 Challenging Puzzles Activity GiantsThe second in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Hard Sudoku Puzzles Volume 3 200 Challenging Puzzles Activity GiantsThe third in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving

Hard Sudoku Puzzles Volume 4 200 Challenging Puzzles Activity GiantsThe fourth in a new series: hard puzzles for serious sudoku solvers.Do you have what it takes? These 200 challenging sudoku puzzles will keep your mind sharp!Features: - 200 hard puzzles- Big grids for easy solving