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, 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.
Don't let crazy people drive you crazy. Don't let annoying, obnoxious, petty people get under your skin. Stop having to ask the same thing over and over again. Whether it's your kids, spouse, friend, client, patient, or co-worker, why try to "deal" with people when you can change them?
"hard to follow"