| 000 -LEADER |
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| fixed length control field |
00947nam a2200205 a 4500 |
| 005 - DATE AND TIME OF LATEST TRANSACTION |
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| control field |
20140414132102.0 |
| 008 - FIXED-LENGTH DATA ELEMENTS--GENERAL INFORMATION |
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| fixed length control field |
100722s19uu xx 00 eng d |
| 020 ## - INTERNATIONAL STANDARD BOOK NUMBER |
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| International Standard Book Number |
9781595665942 |
| 050 ## - LIBRARY OF CONGRESS CALL NUMBER |
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| Classification number |
M 652.8 |
| Item number |
G54 2008 |
| 100 ## - MAIN ENTRY--PERSONAL NAME |
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| Personal name |
Gilbert, Adrian |
| 245 ## - TITLE STATEMENT |
|---|
| Title |
Codes and ciphers. |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) |
|---|
| Place of publication, distribution, etc |
London : |
| Name of publisher, distributor, etc |
QED, |
| Date of publication, distribution, etc |
2008. |
| 300 ## - PHYSICAL DESCRIPTION |
|---|
| Extent |
32 p. |
| 440 ## - SERIES STATEMENT/ADDED ENTRY--TITLE |
|---|
| Title |
Spy files |
| 500 ## - GENERAL NOTE |
|---|
| General note |
Contents: Codes and ciphers -- The Caesar cipher -- Code breaking -- Morse code -- Visual codes -- Navajo code talkers -- One-time pads -- Cipher machines -- Purple intelligence -- Enigma -- Secret writing -- Microdots -- Radio communications. Notes: Includes index. |
| 520 ## - SUMMARY, ETC. |
|---|
| Summary, etc |
"Discusses the difference between codes and ciphers, common codes and ciphers that have been used during wars, and how to create simple ciphers"--Provided by publisher. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name as entry element |
Ciphers --Juvenile literature. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM |
|---|
| Topical term or geographic name as entry element |
Cryptography --Juvenile literature. |