From the back cover:A compendium of additional rules, scenarios, and other material for THE Tactical Starship Combat Rules!New fleet details, including the alien Kra'Vak, expanded ship statistics and new classes, additional weapons and other systems, scenario outlines and extended timeline, interfaces for 'Dirtside II' and other rules, plus other options, expansions, player feedback, and designers notes. An indispensable volume for all Full Thrust gamers. - BoardGameGeek