By Grant Morrison, Frank Quitely, Ethan Van Sciver. As protesters lay siege to the Xavier Institute, mutant mentor Professor X lies in a coma... dying, trapped within the shattered form of his evil twin! Cassandra Nova inhabited Xavier's body and escaped to the stars in the wake of her initial encounter with the X-Men; now, the psionically empowered psychopath is returning to Earth - possessed of the most powerful mutant mind on the planet, and with the might of the Shi'ar Imperium at her back! She brought an interstellar empire to its knees - can even the X-Men hope to halt her mad rampage? Collecting New X-Men #118-126. FC SC 224 pg.