| Record ID | marc_loc_2016/BooksAll.2016.part21.utf8:211956394:1012 |
| Source | Library of Congress |
| Download Link | /show-records/marc_loc_2016/BooksAll.2016.part21.utf8:211956394:1012?format=raw |
LEADER: 01012pam a2200289 a 4500
001 92039008
003 DLC
005 19990716000000.0
008 921013s1993 ohua j 001 0 eng
010 $a 92039008
020 $a155870292X :$c$7.95
040 $aDLC$cDLC$dDLC
042 $alcac
050 00 $aZ103.3$b.A83 1993
082 00 $a652/.8$220
100 1 $aAshton, Christina.
245 10 $aCodes & ciphers :$bhundreds of unusual and secret ways to send messages /$cChristina Ashton.
250 $a1st ed.
260 $aCincinnati, Ohio :$bBetterway Books,$cc1993.
300 $a110 p. :$bill. ;$c23 cm.
504 $aIncludes bibliographical references (p. 105) and index.
520 $aProvides the history behind codes and ciphers as used in spying and explains how readers themselves can make and use their own secret codes.
650 0 $aCryptography$xJuvenile literature.
650 0 $aCiphers$xJuvenile literature.
650 1 $aCryptography.
650 1 $aCiphers.
740 0 $aCodes and ciphers.