Cryptography.
The Code Book
Simon Singh
Crypto
Steven Levy
The codebreakers
David Kahn
Break the code
Bud Johnson
Codes, ciphers, and secret writing
Martin Gardner
Cryptography Network Security
Behrouz A. Forouzan
Codes and ciphers
Laffin, John.
Cryptanalysis
Helen Fouché Gaines
Applied cryptography
Bruce Schneier
Fatherland
Robert Harris
Cryptography
Laurence Dwight Smith
The Ultra secret
Frederick William Winterbotham
Cryptography
F. C. Piper
The Code Book
Simon Singh
The codebreakers
David Kahn
Cryptography
F. Edward Hulme
I spy
Diana Noonan
Cryptography
Douglas Robert Stinson
Codes and ciphers.
A. D'Agapeyeff
Codes & secret writing
Herbert S. Zim
Alan Turing : the Enigma
Andrew Hodges
Everyday Cryptography
Keith Martin
Cryptography decrypted
H. X. Mel
Top secret
Paul B. Janeczko
Practical cryptography
Niels Ferguson
The Hut Six story
Gordon Welchman
The Codebreakers
David Kahn
Hands on Hacking
Jennifer Arcuri
Cracking Codes and Cryptograms for Dummies
Denise Sutherland
Codebreaker
Stephen Pincock
The American black chamber
Herbert O. Yardley
Introduction to Cryptography
Sahadeo Padhye
Introduction to Cryptography
Johannes Buchmann
Handbook of applied cryptography
Alfred J. Menezes
The Riverbank publications
William F. Friedman
Code Breaking
Rudolph Kippenhahn
An Introduction to Mathematical Cryptography
Jeffrey Hoffstein
Access Control, Authentication, and Public Key Infrastructure
Bill Ballad
The Mathematics of Ciphers
S. C. Coutinho
How to keep a secret
Elizabeth James
