By Mac Walters, John Jackson Miller, Omar Francia, Michael Atiyeh, Daryl Mandryk. The eagerly anticipated sequel to the blockbuster science-fiction epic IGN.com named the #1 Xbox 360 game of all time, Mass Effect 2 begins with the disappearance of Commander Shepard. The story of what happens next-exclusive to this graphic novel-will have the commander's companion Dr. Liara T'Soni undertake a deadly mission of extraordinary importance in the Milky Way's lawless Terminus Systems. Mass Effect Volume 1 features essential developments in the Mass Effect gaming saga, plus a special behind-the-scenes section with sketches and more. Collects the four-issue miniseries. SC FC 96pg.