Poskitt Kjartan <br/><br/>
Codes : How To Make Them and Break Them 
Kjartan Poskitt  
 - London   Scholastic Children's Books   2007 
 - 157p.   20.3 x 25.4 x 4.7 cm 
<br/><br/> Is maths making you miserable? Are you confused by ciphers and baffled by binary? Let Murderous Maths take the agony out of Cryptanalysis and you'll be a code-cracking genius in no time. The pure mathematicians explain how a computer makes buying shoes safe and the secrets of Enigma are revealed. Plus, find out how Dolly Snowlips' waist size and a tatty table cloth can help gangsters with their latest money-making schemes.<br/><br/>A Children’s Bookshelf Selection: Each month our editor’s pick the best books for children and young adults by age to be a part of the children’s bookshelf. These are editorial recommendations made by our team of experts. Our monthly reading list includes a mix of bestsellers and top new releases and evergreen books that will help enhance a child’s reading life. 
<br/><br/><label>ISBN: </label>9780439943284  Rs.250.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ciphers<br/>Cryptography
<br/><br/><label>Dewey Class. No.: </label>652.8  / POS