| Record ID | marc_loc_2016/BooksAll.2016.part07.utf8:104966856:805 |
| Source | Library of Congress |
| Download Link | /show-records/marc_loc_2016/BooksAll.2016.part07.utf8:104966856:805?format=raw |
LEADER: 00805cam a2200253 4500
001 72082218
003 DLC
005 20100525081614.0
008 730321s1972 nyua j b 000 0 eng
010 $a 72082218
020 $a067165201X (lib. bdg.)
040 $aDLC$cDLC$dDLC
042 $alcac
050 00 $aZ103.3$b.G37
082 00 $a001.54/36
100 1 $aGardner, Martin,$d1914-2010.
245 10 $aCodes, ciphers, and secret writing.
260 $aNew York,$bSimon and Schuster$c[1972]
300 $a96 p.$billus.$c24 cm.
350 $a$4.95
520 $aExplains in simple terms how to encode and decode messages in various ciphers, describes coding machines, and gives formulas for invisible ink.
504 $aBibliography: p. 94-96.
650 0 $aCiphers$xJuvenile literature.
650 1 $aCiphers.