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  • "Code breaking; pretty good" is all I wrote in my notes back in 2005. I do love things about code breaking.

    

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• ― Missmath144 said on Aug 22, 2009 about the Audio CD edition| Add your feedback

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  • By FAR my favorite of the Dan Brown books that I've read. Maybe it's the geek in me, or maybe just the idea of someone slipping a virus to big brother, but I was gripped and the laundry sat while I finished :)

    

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• ― GeekGirl said on May 13, 2008 about the Paperback edition| Add your feedback

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  • The first time I tried to read this book I couldn't get into it. After DaVinci Code and A&D I went back and read it, and I loved it.

    

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• ― Jaemi K said on Sep 22, 2006 | Add your feedback

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.

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