Target: Matrix (2000)

Blurb from the back cover:

The Matrix is up for everyone: A worldwide computer network made up of pocket universes and virtual realities. You can make deals in virtual bars, sharpen reactions in game simulations or score new gear from an online store. Deckers and non-deckers alike bease most of their lives in the matrix, the place where information lives and breeds, bought and sold like trinkets on a street corner. In shadowy data havens and behind the brain-frying defenses in the megacorporate date archives, information is power.

The Target: Matrix sourcebook opens up the exciting realms of this virtual world, detailing over two dozen grids, hosts and data havens. It also profiles infamous Matrix organisations and nova-hot personas, hinting at undiscovered entities that lurk depp in the datasphere. Target: Matrix is intended for gamemasters and players of all experience levels.