Book excerpt: The World's Greatest Super Heroes of Tomorrow are here! Now with a few fresh faces and a newly-constructed Watchtower, the Justice League are back to being a well-oiled crime fighting machine! But when Superman's powers begin to rage out of control, the League must figure out a way to protect the world--and themselves--from the Last Son of Krypton. JUSTICE LEAGUE BEYOND: POWER STRUGGLE is collected here in its entirety for the first time, written by Christos Gage (Avengers Arena). This volume collects issues #1-8.