This is a printed roleplaying game supplement. Solve the mystery of a viral plague among a population of aliens who attempted to remove the virus by constructing a mammoth artificial ring around their planet.

Gamma Quadrant RPG Sourcebook contains: Information on the Federation’s relationship with the Dominion and other Gamma Quadrant denizens, as of Stardate 2375. Material about the Dominion and its history, structure, and culture; including information on many of its member worlds, allies, and enemies.