Allies and Adversaries is an era sourcebook for Fantasy Flight Games' Star Wars roleplaying game system, featuring brand-new source material compatible with each of Fantasy Flight Games' three Star Wars roleplaying lines.

The galaxy is in turmoil. No one can escape the Galactic Civil War, especially the troops and commanders who battle on innumerable worlds throughout the stars. Civilians struggle to survive through legitimate or illegal means, while the scale of combat threatens even the wildlife on many worlds. It is these individuals, from lowly droids to powerful Force users, who will decide the outcome of the war and the future of the galaxy.