In this tongue-in-cheek training guide for aspiring James Bonds, Agent Ace and his gadget expert, Charlie, show readers all the tricks of the espionage trade. In preparation for their first mission, young spies will follow a simple seven-day plan that explains how to go undercover, gather information, break codes, carry out switcheroos, and watch for double agents. Top-secret craft projects with step-by-step instructions include building a periscope, making alarms, and leaving messages in invisible ink.