Spy Gadgets & Surveillance Equipment - Secret Agent Spy Gear for Covert Operations | Spy Camera, Hidden Microphone, GPS Tracker | Perfect for Private Investigators, Security Professionals & Spy Enthusiasts

Can you hide a spy camera in a pen or behind a shirt button? Spies need hidden cameras for secret missions. Need to pass along a secret message? A spy might use invisible ink. Spies could not do their jobs without the latest gizmos and gadgets. In this book, check out some of the most important tools in the spy world from wiretaps to lipstick pistols.