The teen superheroes of Young Justice are about to experience their craziest adventures yet. The mysterious organization known only as the Agenda has meddled with the lives of both Young Justice and the team's rival superhero group, Old Justice. Some of the young crime-fighters have become adults, and some of the elderly heroes have turned into teenagers. Will they ever find a way to reverse this madness, or are all of the heroes stuck in their new bodies for good? From author Peter David (Aquaman) comes the next collection of Young Justice! Collects Young Justice #18-19, Young Justice: Sins of Youth #1-2, Young Justice: Sins of Youth Secret Files #1, Superboy #74, Sins of Youth: JLA Jr. #1, Sins of Youth: Aquaboy/Lagoon Man #1, Sins of Youth: Batboy and Robin #1, Sins of Youth: Kid Flash/Impulse #1, Sins of Youth: Starwoman and the JSA Jr. #1, Sins of Youth: Superman Jr./Superboy Sr. #1, Sins of Youth: Wonder Girls #1 and Sins of Youth: The Secrets/Deadboy #1.

Superboy! Wonder Girl! Robin! Impulse! Amethyst! They and other young heroes are united as Young Justice in this first collection of comics from the new Wonder Comics line! When the nightmare dimension known as Gemworld invades Metropolis, these teen heroes will unite to deal with the situation-but they're shocked to discover the battle may be the key to the return of Conner Kent, a.k.a. Superboy! This debut title collects issues #1-6 of the hit series!

In this new trade collecting issues #0-13 of the 2011 series plus the 2011 Free Comic Book Day story, the Justice League needs a covert team that can operate on the sly, so who better than experienced crimefighters Robin, Kid Flash and Aqualad? Together with Superboy and the crush-worthy shape-shifting alien Miss Martian, these teens are ready to stop being sidekicks and start taking down their own villains-like the League of Shadows and The Joker-all on their own.

Offered again! When the fabled heroes of the Justice League of America begin behaving worse than villains, can their young trainees—Aqualad, Wonder Girl, Speedy, Kid Flash, and Robin—set things right? From writer Amy Wolfram (Teen Titans animated series) and artists Karl Kerschl (Adventures of Superman) and Serge LaPointe (Batman Begins) comes an early tale of the teenage super-team battling criminals, crushes, and celebrity to become the heroes of the next generation. Collects the entire six-issue miniseries.

When Dick, Wally, Donna and Garth awaken in an unfamiliar place, they find themselves face-to-face with their mentors: Batman, The Flash, Wonder Woman and Aquaman! Allied together against a common foe, the mentors and protégés must race against the clock to unlock the secret of their current predicament and save the planet from an alien invasion!

Aquaman has faced many challenges in his long career, but none greater than this, as the undersea kingdom of Atlantis comes under siege by unknown captors and Atlantean mercenaries. Aquaman himself is taken prisoner by these same revolutionaries, and now he must save himself as well as the aquatic land of his ancestors.

Four stories integral to Aquaman's past! Superman guest-stars as Triton unleashes his fury against the Sea King; Aquaman must aid a young Princess Diana when she is 'chosen' by Triton; Arthur Curry takes Mera to her first encounter with air breathers; and when Aquaman's first son is born, the god Poseidon shows Aquaman who's really King of the Seas!

The heroes of the DC Universe find themselves separated by a mysterious force in a miniseries that introduces DC's newest super-team, Young Justice! A boy receives a gift from his father and somehow triggers a force that puts all the humans 16-years-old and younger on one Earth and the adults on another. As the JLA searches for an answer to the mystery on one world, Robin, Impulse, Superboy and other heroes try to keep a kid-ruled world from falling apart. Does Billy Batson hold the key to bridging the two worlds?

In the aftermath of the Justice League's battle with the Legion of Doom, an armada from the stars has come to plunder the Earth and its seas. With powers beyond comprehension, even Superman, Batman, Wonder Woman, Aquaman and the rest of the League's combined might can't stop these invaders. With nowhere left to turn, these heroes will have to turn to an ancient power to help them, one that even Arthur Curry fears unleashing. Collects Justice League/Aquaman: Drowned Earth #1, Justice League #10-12, Aquaman #40-41, Titans #28 and Aquaman/Justice League: Drowned Earth #1.

"Our Worlds at War," Part 6. The Young Justice kids find themselves plucked from our time by the Linear Men and "drafted" to the future in order to stop a "renegade consciousness" from going back in time and disrupting the time stream. But this consciousness is desperately trying to stop Imperiex! So whom should the YJ kids help?