When the NSA's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls its head cryptographer, Susan Fletcher, a brilliant mathematician. What she uncovers sends shock waves throughout the corridors of power. Now reissued in a tall Premium Edition.
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ISBN | 9780312944926 |
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Sprache | eng |
Cover | Kartonierter Einband (Kt) |
Verlag | Macmillan USA |
Jahr | 200811 |
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