From the back of the book: "Unbound is a roleplaying adventure set in the BattleTech universe of 3053 on the Game World Solaris VII. The player characters become involved in a struggle for control of a radical new technology that could change the balance of power in the Inner Sphere. The adventure also includes several new 'Mechs and a selection of new tech from one of New Avalon's top research and development teams"