AR Book Level
5.0
AR Points
15
Word Count
100,756
Interest Level
Upper Grades (UG 9-12)
Genre
Fiction
AR Quiz #
312147 EN
About this book
Cryptographer Susan Fletcher finds herself fighting for her country, her life, and the life of the man she loves when she is called in by the National Security Agency to decipher a mysterious code and discovers a plot that could cripple the US.