Hi Tech World: Code Breakers
From the Series Crabtree Contact
From the war-time success of deciphering the German Enigma machine right up to modern-day computer hackers, the exciting history of code-breaking is explored.
Format | Your Price | Add |
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978-0-7787-7528-7
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$22.95 | |
978-0-7787-7550-8
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$8.95 |