This collection of JLA adventures also includes a spacefaring mission guest-starring Adam Strange, as well as the Justice League investigating mysterious destruction in Gotham City! This volume collects JLA #18-21, #32-33, and #43-46, and two stories from JLA Secret Files #3.

Sins of Youth part 5 of 12. The ramifications of our heroes' transformations continue to build as a now-young JLA finds itself confused with Young Justice and wanted for YJ's crimes! What's worse, their youth isn't limited to their appearances, the team's maturity level has also decreased! Can Kid Captain Marvel, the World's Mightiest Mortal, help the World's Rowdiest Teenagers with a magical trip to the Rock of Eternity, or is the JLA Jr. doomed to live a painful adolescence? Meanwhile, Klarion completes his own mission: finding Amazo, the android with all the powers of the JLA!

The secrets of the Emerald Archer are revealed in a bullseye-piercing, double-sized one-shot! In the lead story, discover the history of Oliver Queen--both before and after his death. Plus, Ollie discovers that the government is keeping tabs on superheroes in the form of the D.E.O. Rounding out this special are a look at Ollie's astounding arsenal and profile pages showcasing Green Arrow, his allies and his enemies, illustrated by fan-favorite Green Arrow artists!

Green Lantern Secret Files and Origins (2002) #3 continues from Green Lantern Secret Files (1998) #2.

Sins of Youth part 5 of 12. The ramifications of our heroes' transformations continue to build as a now-young JLA finds itself confused with Young Justice and wanted for YJ's crimes! What's worse, their youth isn't limited to their appearances, the team's maturity level has also decreased! Can Kid Captain Marvel, the World's Mightiest Mortal, help the World's Rowdiest Teenagers with a magical trip to the Rock of Eternity, or is the JLA Jr. doomed to live a painful adolescence? Meanwhile, Klarion completes his own mission: finding Amazo, the android with all the powers of the JLA!

Gotham's most dangerous defender stars in her first SECRET FILES special! An encounter with an unexpected criminal leads Cassandra to revisit her origins (written by original BATGIRL cowriter Scott Peterson, with art by Phil Noto and Robert Campanella). Plus, Cassandra learns how she would have fared in combat against Barbara Gordon during the current Oracle's time as Batgirl (written by Peterson with art by Giuseppe Camuncoli and Cameron Stewart). And the DEO investigates the aftermath of Batgirl's battle with Lady Shiva (written by Dan Curtis Johnson and J.H. Williams III with art by Greg Scott and Mick Gray). Rounding out the issue are profiles of some of Batgirl's newest enemies and allies, with a special portrait of young Barbara Gordon as Batgirl, courtesy of the upcoming BATGIRL: YEAR ONE art team of Marcos Martin and Alvaro Lopez!

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Secret asks her new friends of Young Justice to help her get some fellow kids with powers out of DEO's stronghold. Once in the team is accidentally attacked by hallucinations of Justice League made by one of the girls they came to rescue. The pair of girls, Casey and Claire, were trying to warn them about the DEO's trap, and instead help them end up helping the team discover the DEO's files on a number of heroes, themselves included, and even some villains. With this new information, they delete all the information the DEO had on them, and plan the escape of all the other captured kids.

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Learn the secrets behind the greatest heroes and villains of the DC Universe with these special issues that delve into all aspects of their lives--from enemies and allies to caves and fortresses and everything in between! These issues also tie in to some of the DC Universe's biggest events, including the return of the JSA and INFINITE CRISIS!

One of the Winged Warrior's deadliest foes returns in a one-shot devoted to the newest incarnation of Hawkman! A foe nearly as ancient as Hawkman makes his presence known (in a story written by Geoff Johns with art by Patrick Gleason & Christian Alamy). Plus, the DEO investigates the mysterious Nth metal (written by Dan Curtis Johnson & J.H. Williams III with art by Greg Scott & Mick Gray). Rounding out the issue are profile pages focusing on the Hawks, their villains and the supporting cast of the hit new series, by an array of artists including HAWKMAN's Rags Morales & Michael Bair, Walter Simonson, and more!

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Cameron Chase is late for her first day of work at the Department of Extranormal Operations. Anything involving meta-humans comes under their jurisdiction, including a youngster in Ohio who has starting throwing fire. Chase is immediately sent to Ohio, along with the head of field personnel Sandy Barrett, to find the person who has started burning things. They find him and convince him to volunteer for training to control his powers, but things don't always go the way they want.