The Gamma Quadrant Sourcebook provides Gamemasters and Players with a wealth of information to aid in playing characters or running adventures set within the ever-expanding Star Trek universe. The Gamma Quadrant Sourcebook contains: • Information on the Federation’s relationship with the Dominion and other Gamma Quadrant denizens, as of 2375. • Material about the Dominion and its history, structure, and culture; including information on many of its member worlds, allies, and enemies. • Detailed information about the brutal Dominion War, from its beginnings as a cold war to open conflict involving billions of beings. • A dozen new alien species to choose from during character creation, including the Dosi, Lurians, S’ona, Wadi, and the Changelings! • A selection of starships from the Dominion and S’ona, as well as several notable wartime Federation vessels. • Guidance for the Gamemaster on running missions and continuing voyages in the Gamma Quadrant and on the front line, along with a selection of new Non-Player Characters to enhance encounters.