If you have stood by the ocean and wondered about the never-ending waves that come rolling in, this book is for you. It was written for boys and girls, and adults, too, who want to know more about waves, tides, and currents. Autor : Elizabeth Clemons
At eight oclock on a summer morning; an enormous dark bird spreads his wings and rises from a ledge by a nest on the face of a waterfall cliff. Without moving his wings he soars on the lifting air currents to a mile above Southern California#039;s citrus groves and oil wells, sprawling subdivisions and missile factories, cattle ranches and superhighways. Autor : Dick Smith, Robert Easton
When the National Security Agency’s invincible code-breaking machine encounters a mysterious code it cannot break, the agency calls in 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 bel .