Sudoku
Einstein's Equation of Sudoku
Relativity, Logic, and the Limits of Human Reasoning
The fifth and culminating volume presents 80 maximum-difficulty Sudoku challenges for experienced solvers working through sustained, multi-step deduction, concentration, and careful reasoning.
$12.99Paperback
Amazon paperback retail shown in the current catalog: $12.99. Price and availability may change.
Who it’s for
Independent solvers, families, libraries, recreation programs, waiting areas, and cognitive-engagement settings.
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