Codes and ciphers
Gilbert, Adrian2008
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Part of the 'Spy Files' series, this book stealthily slips into the shadows, exposing the communication methods of secret agents, the techniques of the decoders and the gadgets they use.
Main title:
Codes and ciphers / Adrian Gilbert.
Author:
Imprint:
London : QED, 2008.
Collation:
32 p. : ill. (some col.), ports. (some col.) ; 30 cm.
Series title:
Notes:
Includes index.
ISBN:
9781848350823 (pbk)
Dewey class:
652.8327.12J327.12 GIL
Language:
English
Subject:
BRN:
1679805