LEADER 00000cam  2200000 a 4500 
001    ocn496594405 
003    OCoLC 
005    20101229094800.0 
008    091231t20112011ilua   j b    001 0 eng   
010      2009052597 
015    GBB060737|2bnb 
016 7  015551130|2Uk 
019    615879291 
020    9781410939272 
020    1410939278 
020    9781406217209|qhardback 
020    1406217204|qhardback 
035    (OCoLC)496594405 
035    (OCoLC)496594405|z(OCoLC)615879291 
040    DLC|beng|cDLC|dBIB|dUKM|dSINLB|dMCP 
049    MCPE 
050 00 Z103.3|b.C65 2011 
082 00 652/.8|222 
100 1  Colson, Mary. 
245 10 Destroy after reading :|bthe world of secret codes /|cMary
       Colson. 
264  1 Chicago, Ill. :|bRaintree,|c[2011] 
264  4 |c©2011 
300    32 pages :|bcolor illustrations ;|c25 cm. 
336    text|btxt|2rdacontent 
337    unmediated|bn|2rdamedia 
338    volume|bnc|2rdacarrier 
490 1  Culture in action. 
504    Includes bibliographical references (page 31) and index. 
505 0  What's so special about secret codes? -- Early codes -- 
       Code symbols and cracking codes -- Code school and the 
       enigma machine -- Coding languages -- Codes of today and 
       tomorrow -- Glossary -- Find out more -- Index. 
526 0  Accelerated Reader AR|bMG|c6.5|d1.0|z137876. 
650  0 Cryptography|vJuvenile literature. 
650  0 Ciphers|vJuvenile literature. 
650  0 Cryptography|xHistory|vJuvenile literature. 
650  0 Ciphers|xHistory|vJuvenile literature. 
830  0 Culture in action. 
994    02|bMCP