The Digital Fortress

by Dan Brown

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Book cover for The Digital Fortress

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Before the multi-million, runaway bestseller The Da Vinci Code, Dan Brown set his razor-sharp research and storytelling skills on the most powerful intelligence organization on earth--the National Security Agency (NSA)--in this thrilling novel, Digital Fortress.

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 if released would cripple U.S. intelligence. Caught in an accelerating tempest of secrecy and lies, Fletcher battles to save the agency she believes in. Betrayed on all sides, she finds herself fighting not only for her country but for her life, and in the end, for the life of the man she loves.

  • ISBN10 031218087X
  • ISBN13 9780312180874
  • Publish Date 31 May 2004 (first published 4 April 1999)
  • Publish Status Out of Print
  • Out of Print 24 August 2009
  • Publish Country US
  • Imprint St Martin's Press
  • Format Hardcover
  • Pages 371
  • Language English