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 one of his most daring exploits, Jack goes down under -- literally -- to investigate the disappearance of a diver off the Great Barrier Reef of Australia. Us

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

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

Secret agent Jack Stalwart searches for a diver missing from the Great Barrier Reef and a treasure that has vanished from the wreck of the HMS Pandora while try