| Record ID | marc_loc_2016/BooksAll.2016.part06.utf8:150634485:838 |
| Source | Library of Congress |
| Download Link | /show-records/marc_loc_2016/BooksAll.2016.part06.utf8:150634485:838?format=raw |
LEADER: 00838cam a2200229 4500
001 68027278
003 DLC
005 20141213075547.0
008 701021s1970 nyua j 000 0 eng
010 $a 68027278
040 $aDLC$cDLC$dDLC
042 $alcac
050 00 $aPZ10.P447$bHo
082 00 $a652.8
100 1 $aPeterson, John,$d1924-2002.
245 10 $aHow to write codes and send secret messages,$cby John Peterson. Illustrated by Bernice Myers.
260 $aNew York,$bFour Winds Press$c[1970]
300 $a64 p.$bcol. illus.$c18 x 23 cm.
520 $aExplains how to write and decipher space codes, hidden word codes, and alphabet codes and gives formulas for invisible ink. Includes suggestions for delivering coded messages.
650 0 $aCiphers$vJuvenile literature.
650 1 $aCiphers.
700 1 $aMyers, Bernice,$eillus.