La Fortaleza DigitalBook - 2006
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, beautiful mathematician. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage by a code that if released would cripple U.S. intelligence.
Publisher: Barcelona : Umbriel, 2006.
Branch Call Number: Spanish FIC Brown
Characteristics: 440 pages ; 23 cm
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