Techno Thriller

When the National Security Agency's invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls 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 would cripple U.S. intelligence. Caught in an accelerating tempest of secrecy and lies, Susan 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. (back cover)

A shocking scientific discovery. A conspiracy of staggering brilliance. A thriller unlike any you've ever read.... When a NASA satellite discovers an astonishingly rare object buried deep in the Arctic ice, the floundering space agency proclaims a much-needed victory—a victory with profound implications for NASA policy and the impending presidential election. To verify the authenticity of the find, the White House calls upon the skills of intelligence analyst Rachel Sexton. Accompanied by a team of experts, including the charismatic scholar Michael Tolland, Rachel travels to the Arctic and uncovers the unthinkable: evidence of scientific trickery—a bold deception that threatens to plunge the world into controversy. But before she can warn the President, Rachel and Michael are ambushed by a deadly team of assassins. Fleeing for their lives across a desolate and lethal landscape, their only hope for survival is to discover who is behind this masterful plot. The truth, they will learn, is the most shocking deception of all.