About This Book
product description
Uncrackable codes and secret cyphers that helped win wars, spark revolutions and change the faces of nations, rediscovered and explored in the newest book by the bestselling author and historian, Sinclair McKay.
Product Details
- ISBN 9781472297242
- Categories History, Non-Fiction › Humanities
- Author(s) Sinclair Mckay
- Publisher Robinson
- Pages 400
- Format Paperback
- Dimensions12.7cm x 3.1cm x 19.6cm
- Weight 0.272 kg

