000			01669nam a22002657a 4500
001			2912
003			FISKH
005			20251127083611.0
008			240123b cb ||||| |||| 00| 0 eng d
020			_a9781407107158
040			_aFISKH _beng _cFISKH _dFISKH
050			_aZ103.3
082			_a652.8
100			_aPoskitt, Kjartan
245			_aThe secret life of codes ; _bIt's maths with the laughs added in! / _cKjartan Poskitt ; illustrated by philip Reeve
250			_aThis edition published in 2010
260			_aLondon : _bScholastic, _c2007
300			_a157 pages : _billustrations ; _c20 cm
490			_aMurderous Maths
520			_aDid you ever want to send a message that only your friend can read? Or did you want to try and uncover a secret communication from someone else? If so, then here's everything you need to know about creating and cracking codes--from the simplest substitution messages to the secrets of the well-known World War II coding contraption, the amazing Enigma Machine! The book includes information about: Substitution codes Scrambling codes Codes containing unrecognizable symbols Other message systems such as Morse code and flags And how to make your own Enigma machine! You'll be thrilled as this amusing book takes you on a codebreaking adventure, learning ways to decode both simple and difficult puzzles, as well as provides you with a history on the cryptology. Filled with tips and enjoyable illustrations by Ian Baker, Codes will have you sending secret messages in no time.
650			_aMurderous Maths _vNonfiction
650			_aCodes
700			_aReeve, Philip _eillustrator
942			_2ddc _cBK _n0
999			_c2912 _d2912