剧情简介：From the bestselling author of The Da Vinci Code comes the gripping story of the ultimate code. It's powerful, dangerous--and unbreakable . . . When the NSA'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 ...(展开全部)
作者：Dan Brown
出版社：Corgi Books
ISBN：9780552161251
