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Sudoku

Killer Sudoku Puzzle Book (Math Logic)

$7.50 to $10.50

Final price depends on shipping costs and country of purchase

480 Sum Doku Large Print across 4 Difficulty Levels with solutions.

FormatStandard (8.5" x 11")
LevelEasy to Expert
Quantity480 Puzzles
Layout2 Per Page

EXECUTIVE SUMMARY

The "Sum-Doku" Protocol. We bridge the gap between mathematics and spatial reasoning by focusing on "Cage Arithmetic" to achieve a total cognitive reset.

PROTOCOL BENEFITS

  • Numerical Fluency: Increases the speed at which you process sum-combinations in your daily life.
  • Spatial Awareness: Trains the eye to map out irregular cages within a fixed 9x9 grid.
  • Focus Optimization: Only 2 puzzles per page to prevent eye fatigue and promote deep work.
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Precision protocols for the modern mind.