000			02137cam a22004578i 4500
001			on1104918944
003			OCoLC
005			20191017161956.0
008			190605s2020 ilua j b 001 0deng
010			_a 2019023309
040			_aDLC _beng _erda _cDLC _dOCLCO _dOCLCF _dYDX _dBDX _dIUO _dNFG
019			_a1090173350
020			_a9781641601382 _q(trade paperback)
020			_a1641601388
020			_z9781641601399 _q(Adobe pdf)
020			_z9781641601412 _q(epub)
020			_z9781641601405 _q(Kindle edition)
035			_a(OCoLC)1104918944 _z(OCoLC)1090173350
042			_apcc
092			_a652.8 _bD132
049			_aNFGA
100	1		_aDaigneau, Jean, _d1952- _eauthor.
245	1	0	_aCode cracking for kids : _bsecret communications throughout history, with 21 codes and ciphers / _cJean Daigneau.
263			_a1910
264		1	_aChicago, Illinois : _bChicago Review Press, _c[2020]
300			_a129 pages : _billustrations (some color) ; _c22 x 28 cm
336			_atext _btxt _2rdacontent
336			_astill image _bsti _2rdacontent
337			_aunmediated _bn _2rdamedia
338			_avolume _bnc _2rdacarrier
504			_aIncludes bibliographical references and index.
520			_a"A hands-on guide to introduce kids to the fascinating world of secret codes and ciphers, CODE CRACKING FOR KIDS explores many aspects of cryptology, including famous people who used and invented codes and ciphers, such as Julius Caesar and Thomas Jefferson; codes used during wars, including the Enigma machine, whose cracking helped the Allies gather critical information on German intelligence in World War II; and work currently being done by the US government, such as in the National Security Agency"-- _cProvided by publisher.
521	1		_aAges 9 & up _bChicago Review Press.
650		0	_aCryptography _vJuvenile literature. _9131652
650		0	_aCiphers _vJuvenile literature. _9193066
650		0	_aSpies _vJuvenile literature. _953878
650		0	_aEspionage _vJuvenile literature. _953877
650		0	_aCryptographers _vJuvenile literature.
655		7	_aIllustrated works. _2lcgft _94636
994			_aC0 _bNFG
999			_c301178 _d301178