Jack Stalwart may be a top rock climber, but no amount of practise can prepare him for the most gruelling climb of all: Mount Everest. When a skull believed to be that of a yeti is stolen by an evil collector of curiosities, Jack must brave one of the most inhospitable places on earth to retrieve it[...]

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. Using everything in his backpack arsenal from anti-puke pills to a morphing suit, an egg-shaped submarine to Disappearing Milk, he exposes a d[...]

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. Suddenly, he finds himself trapped in the hands of one of the most treacherous treasure hunters in the world. Can Jack stop Callous Carl and his [...]

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 the diver and defeat a deadly band of pirates before they sail away with the treasure for-ever?[...]

Sacred Japanese treasures are being stolen, and Jack must investigate. Can he defeat the shady geisha Madame Minori and her band of ninja thieves?[...]