Publisher's Synopsis
This is an exciting and entertaining global investigation that exploresthe history and mystery of coded information and how it's beenharnessed. The book includes a comprehensive survey ofinternational codes explaining how codes and ciphers work, why theywere invented and how they have been cracked. The book is highlyillustrated with over 500 photographs and illustrations includingvisual galleries of graphic codes and in-depth analyses of secretcommunications. The result is a fascinating book whose scopecovers everything from hieroglypics and naval pennants to stained glasswindows and heraldic shields. Anyone who enjoyed The Da Vinci Codewill be enthralled by this book.
