Destination: Mexico. The Global Protection Force has summoned Secret Agent Jack Stalwart to Mexico to hunt down a stolen map leading to hidden Aztec gold. Sudde

An ancient stone with the location of Aztec treasure has been stolen from an ailing man's bedside table. Can Secret Agent Jack Stalwart track the thieves and st

Jack finally receives a coded message from his brother Max, possibly detailing his whereabouts. But duty calls, and Jack is whisked away to the sweltering savan

In The Caper of the Crown Jewels, Jack is summoned to solve a matter of grave national importance: the theft of the Crown Jewels of the British Empire from the

Off the coast of Australia, a diver has vanished and along with him an unknown treasure from the wreck of the HMS Pandora. Can Secret Agent Jack Stalwart find t