In the next exciting installment of the series, Jack travels to Japan, where under the cover of darkness, a band of ninja thieves has stolen some of the country's most priceless treasures, including an ancient samurai sword. Can Secret Agent Jack Stalwart take on the gang before the treasures are lost forever?

From Kenya to Cambodia, the United States to China, each book in this exciting series focuses on a different destination and provides interesting geographical and historical facts as each tale begins. Jack Stalwart is an ordinary schoolboy who volunteers for daring secret agent work with the Global Protection Force when his older brother Max disappears on an undercover mission. Each evening at 7:30, Jack's miniature globe Wizzy spits out a puzzle piece that he inserts into his magical map that dispatches him to another exotic location to solve a mystery, uncover a crime, right a wrong, and still get back in time to finish his homework! Armed only with a backpack loaded with ingenious gadgets and his common sense, Jack travels throughout the world, always hoping each mission will supply him with clues to his brother's whereabouts.