From the book's back: New professions such as the Bounty Hunter, the Combat Engineer, the Smuggler, etc. An entirely new and different system for using psychic powers called PsiFire New rules for Cybernetics Hundreds of new weapons and devices to add to your Spacemaster game Miscellaneous rules covering radiation, engineering skills, medical skills, force fields, new attack tables and even a few new psion lists New attack tables for Power Tools, new critical tables for Power Tools and Power Armor