Codes: How To Make Them And Break Them (Murderous Maths)

By Kjartan Poskitt

Will show readers how to encode/decode their own messages in as many ways as possible. Examples of differently coded messages will also fit in well with the diverse range of the usual MM characters.... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0439943280
• ISBN13: 9780439943284
• Release Date: February 2007
• Publisher: Scholastic
• Length: 160 Pages
• Weight: 0.31 lbs.
• Dimensions: 1.9" x 10.0" x 8.0"