Cover by IVAN REIS and OCLAIR ALBERT With the entire Green Lantern Corps against them, the four Earthborn GLs - Hal Jordan, Guy Gardner, Kyle Rayner, John Stewart - make a choice that will rank among the most memorable in GL history. But not all of them agree on what has to be done and what lines can be crossed. Can these warriors overcome their differences in time to save the universe? Find out in this new hardcover collecting GREEN LANTERN #63-66, GREEN LANTERN CORPS #58-60 and GREEN LANTERN: EMERALD WARRIORS #8-10!