The shocking, sold-out storyline is collected in hardcover as the Man of Steel faces the specter of his own mortality! His never-ending battles have finally taken their toll on Kal-El, and with time short, he reaches out to unite his friends and loved ones for what comes next. Meanwhile, a new sinister force's machinations will see to it that the Man of Steel will not go quietly into the night, but instead enter into a life-and-death struggle with another being forged from the very energies of the Kryptonian's solar flare power, now claiming to be the true Superman! This hardcover collects SUPERMAN #51-52, BATMAN/SUPERMAN #31-32, ACTION COMICS #51-52 and SUPERMAN/WONDER WOMAN #28-29.