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. ... (show more)
Reviews (4428)
Great storyline. A few twists I didn't expect, but ended concluded (somewhat) nicely.
run of the mill thriller--a page turner that you can't quite recall once you close the book.
good book, probably my least fav of dan browns. But still a good book. He separates the chapters into smaller sections, which makes it easier to read the book little bits at a time (or if you only have 10 mins here and there).
I didn't like this one. I'm a mathematician and a computer geek, but I would think that even a layman would find the premise of the story unbelievable. Not the part about the NSA reading everyone's mail; that's probably true. I'm talking about the climax of the story.
This book turned out to be a bit of a disappointment... Ths is the only book I have read from Dan Brown (4 so far) that bored me to death.
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