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DIGITAL FORTRESS
Novel. When the National Security Agency's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant mathematician. She discovers the NSA is being held hostage by a code so ingeniously complex that if released, it would cripple U.S. intelligence.
Format: Paperbound
Pages: 372
Publisher: St. Martin's
ISBN: 9780312263126
Item #: 9443568
Published at $20.00
Your Price
$7.95
(Save $12.05)
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