The huge success of Spy Kids and other similar movies makes it clear: children love watching young agents who are smart enough and tough enough to beat the bad guys--and they fantasize about doing it themselves. That's why they'll be thrilled to hear about Agent O, the world's most top-secret secret agent. No one knows Agent O's true identity--especially that O is still a kid! And budding sleuths can get in on the fun, because this fully illustrated handbook gives them the opportunity to help Agent O fight a criminal mastermind, crack the codes that reveal a perilous scheme for world domination, and make all sorts of cool gadgets and disguises.