The science of Spymaker : spying code book

Spying is about power and secrets, keeping your own while trying to find out other people's.

Spying isn't the preserve of governments and international men of mystery - it can happen anywhere.

You can be a spy! Grab your magnifying glass and investigate further to discover all the tricks of the trade.

Create your own codes and ciphers, learn about famously fiendish codes, and try your new skills out on the puzzles included.

This book is perfect for all budding super sleuths.