000			02127nam a2200337 i 4500
003			OSt
008			221025s2021 enkaob j 001 0 eng d
020			_a9780241526583 _cRM34.95 _qpaperback
040			_aPPAK _beng _cPPAK _erda
082	0	4	_223 _a652.8
090	0	0	_a652.8 _bADA _dK
100	1		_aAdams, Simon, _d1955- _eauthor.
245	1	0	_aCODE BREAKERS : _bRIVETING READS FOR CURIOUS KIDS / _cBy Simon Adams ; Consultant : Peter Chrisp
250			_aFirst Edition
264		1	_aLondon : _bDorling Kindersley Limited, _c2021
300			_a95 pages : _bcolour illustrations, colour photographs, colour maps ; _c20 cm.
336			_atext _2rdacontent
337			_aunmediated _2rdamedia
338			_avolume _2rdacarrier
490	1		_aMEGA BITES
500			_aIncludes index.
500			_a"First published in Great Britain in 2002 by Dorling Kindersley Limited
520			_aCodes have been used for thousands of years as a way of hiding important secrets and sending mysterious messages. They are the best way of sending messages covertly and keeping information safe from enemies or nosy siblings! Learn about the fiendishly clever codes and ciphers that have been invented over the years and how even cleverer people have cracked them. Become an expert in cryptology as you follow the stories of famous codebreakers and their place in history.Codebreakers is part of the Mega Bites series, which uncovers the secrets of history, science, and the natural world. Investigate the most complicated thing in the universe - your Brain; then journey to the most mysterious as we dive into a Black Hole; and closer to home, marvel at the genius of the world's smartest Codebreakers! Whichever title you pick, you'll get the expert knowledge and fun facts you need on each topic, with every ebook including illustrations, fun stories, and anecdotes.
521	1		_aFor ages 9-11 years.
650	1	0	_aCryptography _vJuvenile literature.
650	2	0	_aCryptographers _vJuvenile literature
650	2	0	_aCiphers _vJuvenile literature.
700	1		_aChrisp, Peter, _econsultant.
830		0	_aMega bites
942			_2ddc _cB
999			_c189641 _d189641