Brown, Dan,  1964- <br/><br/>
Digital fortress / 
Dan Brown. 
 - London :  Corgi Book,  2004. 
 - 510 p ;  20 cm. 
<br/><br/> 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 has the power to cripple U.S. intelligence. 
<br/><br/> Adult  Follett Library Resources. 
<br/><br/><label>ISBN: </label>0552151696 
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. National Security Agency --Fiction.
<br/><br/><label>Subjects--Topical Terms: </label><br/>Code and cipher stories.<br/>Cryptographers--Fiction.
<br/><br/><label>LC Class. No.: </label>PS3552.R685434  / D54 1998 
<br/><br/><label>Dewey Class. No.: </label>813/.54