Book excerpt: New York Times bestselling novelist Brad Meltzer's entire run on Justice League of America is collected for the first time! After the darkest hour in the history of the DC Universe, Superman, Batman, and Wonder Woman meet to choose who will make up the new Justice League of America. Then, the new team discovers that several members of the Legion of Super-Heroes are in the present! With the help of the Justice Society of America, Superman and his team must track down all seven Legionnaires to discover why these heroes have traveled back in time! Collects Justice League of America (2006) #0-12 and Justice Society of America (2006) #5-6.