50 Codes that Changed the World: . . . And Your Chance to Solve Them! - Sinclair McKay
122
98 Reviews
18 Questions
50 Codes that Changed the World: . . . And Your Chance to Solve Them! - Sinclair McKay
122
98 Reviews
18 Questions
<p>A CUNNING CHRONICLE OF THE 50 CODES THAT ALTERED THE COURSE OF HISTORY AND CHANGED THE WORLDFrom the bestselling author of Bletchley Park Brainteasers and The Scotland Yard Puzzle Book. There have been secret codes since before the Old Testament, and there were secret codes in the Old Testament…