02043nam a2200301 i 4500003000400000008004100004020003800045040002500083082001400108100003400122245009900156250001800255264004800273300008000321336002100401337002500422338002300447490001500470500002000485500007600505520097300581521002501554650004001579650004001619650003501659700003201694830001501726OSt221025s2021    enkaob j      001 0 eng d  a9780241526583cRM34.95qpaperback  aPPAKbengcPPAKerda04223a652.81 aAdams, Simon,d1955-eauthor.10aCODE BREAKERS :bRIVETING READS FOR CURIOUS KIDS /cBy Simon Adams ; Consultant : Peter Chrisp  aFirst Edition 1aLondon :bDorling Kindersley Limited,c2021  a95 pages :bcolour illustrations, colour photographs, colour maps ;c20 cm.  atext2rdacontent  aunmediated2rdamedia  avolume2rdacarrier1 aMEGA BITES  aIncludes index.  a"First published in Great Britain in 2002 by Dorling Kindersley Limited  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.1 aFor ages 9-11 years.10aCryptography vJuvenile literature.20aCryptographersvJuvenile literature20aCiphers vJuvenile literature.1 aChrisp, Peter,econsultant. 0aMega bites