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.

LUDWIG O.M.

Purchase Book on Amazon Institutional inquiry

Amazon paperback retail shown in the current catalog: $12.99. Price and availability may change.

Publication details

Format: Paperback
ISBN-13: 979-8189493171
Print length: 106 pages
Dimensions: 7 × 0.24 × 10 inches
Publication date: July 28, 2026
Language: English
Genre: Sudoku
Collection: Buffalo Soldier Sudoku Series
Amazon retail: $12.99

Amazon price and availability may change. Institutional and bulk-order terms are provided only through a direct inquiry.

Einstein's Equation of Sudoku

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