
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.
Secure Checkout
Global Shipping
KDP Quality
Related challenges
Curated Recommendations
The Ultimate Large Print Jigsaw Sudoku
$8.99 to $12.99
Sudoku Para Adultos (500+ Puzzles)
$8.99 to $12.99
Sudokus para Adultos (4 Niveles)
$8.99 to $13.99
Sudoku Master Collection (All Levels)
$8.50 to $12.50
Sudoku Books for Adults Hard & Expert
$14.99 to $19.99
The Ultimate Large Print Sudoku Center Dot Puzzle Book
$6.95 to $9.95
Sudoku X Large Print
$12.99 to $18.99
Jigsaw Sudoku Hard
$8.50 to $13.50
