Codes: How to Make Them and Break Them!

By Kjartan Poskitt

Did 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... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 1631581279
• ISBN13: 9781631581274
• Release Date: April 2017
• Publisher: Racehorse for Young Readers
• Length: 160 Pages
• Weight: 0.35 lbs.
• Dimensions: 0.5" x 4.9" x 7.6"
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7