Young Justice Omnibus Vol. 1

"The incredible members of the Justice League of America cast a long shadow, and the members of Young Justice are eager to step out of it. Robin, Superboy, and Impulse want to prove to their superhero mentors that they're capable of tackling super-villains on their own. Under the guidance of the stoic, wise Red Tornado, the three teen heroes begin their quest to make a name for themselves, apart from their famous friends. When the team gains three new members--shy but powerful Wonder Girl, champion archer Arrowette, and mystical Secret--Young Justice is ready to take on one of the toughest foes the universe has ever seen: the giant tyrant Despero. But it's a race against the clock: if Young Justice can't work together and defeat Despero within 22 minutes, the Justice League will disband Young Justice permanently"--