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Digital Fortress
Digital Fortress
Author: Dan Brown
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--not by guns or bombs -- but by a code so complex that i...  more »
ISBN: 66898
Pages: 430
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Publisher: St. Martin's Paperback
Book Type: Hardcover
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