Digital Fortress

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.Sayfa Sayısı: 250Baskı Yılı: 2009Dili: İngilizceYayınevi: CORGI BOOKS)