From the back cover:
Harvesting a meager living from the surface of a rough primal world, the Liberati are a proud and tough people, revels and nomads that do not fit the highly structured society of the Trench. Stuck between uncaring megacorporations and a fascist invader bent on conquest, it is literally a do-or-die situation for those brave souls on the front line of the new conflict racking the Heavy Gear universe! This manual contains background information and resources on the underground freedom fighters and nomad miners on Caprice.
This sourcebook includes:
A complete history of the Liberati.
Full overview of Liberati culture and lifestyle.
Resistance operations and resources.
Sample Liberati-oriented campaign set-ups.
New character archetypes, equipment and vehicles.