Jack Stalwart is the hero of a series of children's books written by Elizabeth Singer Hunt. Jack is a nine year old super spy who travels the world solving mysteries and thwarting criminals with an array of amazing gadgets.

The aim of the site was to allow the visitor into Jack's world, to become a spy and investigator for themselves. It was also key to include many of the informative and educational elements of the books, particularly features on world geography and culture.

The site lets kids explore Jack's own bedroom and through it, his world. The aim is to extend the site as the books develop, adding more features - especially games, always a popular feature with children.