Merciless' part 1! The Justice Society struggles to pick up the pieces after the team's devastating breakup! Regrouping at a temporary home base, the smaller team reflects on the recent infiltration of their ranks and how they can protect themselves from another such attack in the future.

Welcome to Sundown Town' finale! Two worlds are being torn apart and it's up to the Justice League to keep everything together. The JLA and members of the Shadow Cabinet take on Shadow Thief and the Sun Eater with the fate of two worlds hanging in the balance!

"New York Times"-bestselling novelist Meltzer and top comics illustrator Johns bring together the two top super-teams in this graphic novel, now in trade paperback.

With Washington, D.C., in the hands of the Omega Man and the full extent of his horrific power revealed, the JLA is forced to make a difficult decision. Is there no choice for the World's Greatest Heroes but to team with the World's Worst Villains in order to save both Earths? 'Omega' part 3.