000			02019cam a2200337Mi 4500
001			ocn965391910
003			OCoLC
005			20180308100351.0
008			161110s2016 enka j b 001 0 eng
020			_a9780750298858 _q(hbk.)
020			_a9780750298841
020			_a0750298855 _q(hbk.)
020			_a0750298847
029	0		_aAU@ _b000059028590
029	1		_aUNITY _b138817928
035			_a(OCoLC)965391910
040			_aAU@ _beng _erda _cAU@ _dOCLCO _dOCLCF _dOCLCQ _dNZAUC _dAUHCL _dOCLCA _dOCLCQ _dNSELP _dATBIA
082	0	4	_a652.8 _223
100			_aApps, Roy, _eauthor. _937593
245	1	4	_aThe top secret history of codes and code breaking / _cby Roy Apps.
260			_aLondon : _bWayland, _c2016.
300			_a32 pages; _bcolour illustrations; _c26 cm.
504			_aIncludes bibliographical references and index.
505	0		_aWhy we need codes (Shhh! it's a secret) -- Picture codes -- Invisible messages -- Gnitirw sdrawkcab and other letter codes -- Smoke signals and ciphers -- Help! My code has been cracked! -- The unbreakable code -- I don't understand a word you're saying! -- The most useful code ever invented -- The analytical engine -- The Enigma Machine -- The computer as big as a room -- To infinity and beyond -- Glossary.
520	0		_aExplore the history of codes from The Haircut Code, used by the Persians to convey messages in war, to Ancient Hebrew ciphers, pictorial codes of the Egyptians Mayans to letter codes in ancient Rome and substitution ciphers used in Tudor England when the execution of Mary, Queen of Scots was being planned. Find out about modern-day codes, such as tennis players Laura Robson and Heather Watson's 'back slang' when playing doubles and computer codes in the 21st century including the safety of passwords.
650		0	_aCryptography _vJuvenile literature. _921925
650		0	_aCiphers _vJuvenile literature. _921926
650		0	_aEspionage _vJuvenile literature. _921045
942			_2ddc _cJNONFIC
948			_hHELD BY NZWMT - 60 OTHER HOLDINGS
999			_c40604 _d40604