After answering a distress signal from distant space, Batman, Superman, Wonder Woman, the Flash, and Green Lantern discover an abandoned cargo ship full of young aliens! When the League attempts to return the children to their home planet, they are met with awe, terror, and war! Thus begins a new story line that will take the League to an unknown and war-torn planet, overrun with new species, a perilous mystery, and an otherworldly adversary. As the team faces off with different uncertainties and battles rogue factions, can the League save a population that hates and fears them? Or will it threaten any hope the Justice League has of returning home? This title collects Justice League #48-52.

Joining the Justice League is a goal for any superhero, but what happens when a quest for membership takes a sinister turn? Join Starman, Metamorpho, and Warlord as they look to prove themselves worthy by summoning and defeating Darkseid in battle. But calling upon a New God never ends well, and now their world is headed for a crisis! The journey to save the day will be a treacherous one filled with princesses, knights, and all kinds of monsters. Each person the heroes encounter plays a crucial role in this gripping narrative that’s a little bit silly, a whole lot dark, and completely cool. Expect the unexpected with a supporting cast featuring Manhunter, Lady Cop, the Green Team, and the Creeper! A multilayered crime drama starring some of DC’s most obscure creations: no one will see it coming, but everyone will want to see where it goes! Collects Danger Street #1-6.

New York Times best-selling author James Robinson writes the Eisner Award-nominated adventures of a new and more aggressive Justice League, led by Green Lantern. What brings a team together? Justice! Batman and Martian Manhunter have been slaughtered, and they're not the only heroes to fall at the hands of villains. The murder has to stop, and it's time to take the fight to the bad guys! Green Lantern, Green Arrow, Supergirl, Atom, Shazam, Congorilla, and Starman unite in a cry for justice! This graphic novel, written by James Robinson (STARMAN, SUPERMAN), with rising star artist Mauro Cascioli (TRIALS OF SHAZAM), pushes our heroes to the brink and beyond, as evil can no longer be tolerated. But when Prometheus plans his revenge on not only the heroes, but on the very places they call home, will this new team be ready to pay the cost for the justice they seek? This time it's personal-and it'll only get more bloody before it's over! Collects JUSTICE LEAGUE #1-7.

The Dark Knights ride through the farthest reaches of the Multiverse to track down the unlikeliest of teams: The Flash, Cyborg, Raven and Detective Chimp. The mission: keep these heroes from completing their desperate quest to save all of existence! Plus, Challengers' Mountain crackles with dark energy that will release an army of the world's worst nightmares into the streets of Gotham City! This one-shot also answers the question: Where are the Metal Men? And who is the latest addition to the team?

In these tales, a threat of cosmic proportions to DC's newest (and oldest) universe compels one of the most unusual groups of heroes ever assembled to take on the most mysterious foe they have ever encountered. Join the original Batman, Kamandi, Starfire, Sinestro, Booster Gold, Dr. Light, Steel, and Sinestro in their quest to save the universe before time runs out… Collects Generations Shattered #1, Generations Forged #1, and the story "Generations Fractured" from Detective Comics #1027.

In these 1980s tales, find out what happens when Batman, Superman, and the Justice League face a galactic invasion fleet known as the Cluster, exchange harsh words with Lobo, track Mister Miracle back to Apokolips, and then battle yet another invasion fleet! Collects Justice League #1-6, Justice League International #7-17, Justice League Annual #1, Justice League International Annual #2, and Suicide Squad #13.

The Justice League are the world's greatest heroes. The Suicide Squad are its most dangerous. In a battle for the ages, these two powers collided, and out of its ashes a new team is born and a new era begins. America has a new force for justice. Batman. Black Canary. The Ray. The Atom. Vixen. Killer Frost. Lobo. Handpicked by the Dark Knight himself, the members of this unlikely alliance will soon find themselves tested like never before. An army of extremists from another dimension has infiltrated our own, seeking peace and prosperity for all…by any means necessary. Only the freshly forged JLA can put an end to their advance across the globe. But these Leaguers are as different from one another as ice and fire—or the Dark Knight and the Main Man. Can they come together and prove that the Extremists' bloody brand of law and order is nothing compared to true justice? A team unlike any you've ever seen makes its thrilling debut in JUSTICE LEAGUE OF AMERICA: THE REBIRTH DELUXE EDITION BOOK 1, from the creative team of Steve Orlando and Ivan Reis! It's the most diverse and daring lineup in JLA history! Collects JUSTICE LEAGUE OF AMERICA #1-7, JUSTICE LEAGUE OF AMERICA: REBIRTH #1, JUSTICE LEAGUE OF AMERICA: THE ATOM – REBIRTH #1, JUSTICE LEAGUE OF AMERICA: VIXEN – REBIRTH #1, JUSTICE LEAGUE OF AMERICA: THE RAY – REBIRTH #1, and JUSTICE LEAGUE OF AMERICA: KILLER FROST – REBIRTH #1.

Vril Dox, ancestor of the Legion of Super-Heroes' Brainiac 5, conceives a plan for a new intergalactic police force to fill the void left by the death of the Green Lantern Corps. Forged in the fires of the INVASION, a rag-tag team of paranormal aliens will grow into a tough, no-nonsense law enforcement organization with a cosmic scope.

This 31st century team of psychopaths returns! Now led by Saturn Queen, they break out of the prison world Takron-Galtos to wreak havoc on the United Planets. Continued in LEGION OF SUPER-HEROES (2010-2011) #12!

Green Lantern, the Flash, Starman, the Atom, Doctor Fate, Power Girl and the rest of the JSA were once the celebrated champions of Earth-2. But then came the Crisis, a cataclysm so great that it reached across realities, destroying all parallel worlds and leaving only one Earth. The Universe was saved, but the Justice Society was left in a world that is already filled with other heroes. But just as the team is on the cusp of disbanding, they receive a dire message from the Spectre, sending them on perhaps their greatest mission ever... The universe is in jeopardy, and to save it the JSA must journey back in time to the heart of Hitler's Germany. If they fail, all they fought for in the Crisis could be lost once more. LAST DAYS OF THE JUSTICE SOCIETY OF AMERICA reprints the title story from Roy Thomas (CONAN: THE BARBARIAN) and David Ross (AVENGERS WEST COAST) for the first time, as well as the SECRET ORIGINS of the Golden Age Justice Society-featuring artists Michael Bair (HAWKMAN), Mike Clark (ALL-STAR SQUADRON) and more!