Brown, Dan: DIGITAL FORTRESS

National Security Agency, Fort Meade, Maryland: when the most powerful intelligence organization on earth´s invincible code-breaking machine encounters a mysterious code it cannot break, it calls for its head cryptographer, Susan Fletcher, a brilliant and beautiful mathematician. What she uncovers sends shock waves through the corridors of power. 

AUTHOR: Dan Brown

COVER: paperback

PAGES: 511

LANGUAGE: english