How did real-life spies communicate in secret? Take a look at actual spies, the gear they used to exchange information, and how they turned to secret codes to complete their missions.As part of the Searchlight Books™ collection, this series provides a fascinating look at spies and spy technology. Engaging text, vivid photos, and real-world examples bring all things spy-related to life!

How did real-life spies communicate in secret? Take a look at actual spies, the gear they used to exchange information, and how they turned to secret codes to complete their missions.As part of the Searchlight Books™ collection, this series provides a fascinating look at spies and spy technology. Engaging text, vivid photos, and real-world examples bring all things spy-related to life!