When the NSA's invincible code-breaking machine - encounters a mysterious code it cannot break, the agency calls in its head cryptographer, Susan Fletcher, a brilliant and 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 ingeniously complex that if released it will cripple U.S. intelligence.
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The case is closed. Five years ago, schoolgirl Andie Bell was murdered by Sal Singh. The police know he did it. Everyone in town knows he did it. But having grown up in the same small town that was...
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