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Enigma
THE NUMBER ONE BESTSELLING AUTHOR 'Top-class' The Times March 1943, the war hangs in the balance, and at Bletchley Park Tom Jericho, a brilliant young codebreaker, is facing a double...
50 Codes that Changed the World: . . . And Your Chance to Solve Them!
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....
50 Codes that Changed the World: . . . And Your Chance to Solve Them!
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....