Batman/Superman: World's Finest Vol. 7: Total Eclipso

Darkness falls! Eclipso, master of light and shadow, has risen once again to plague Superman and Batman! Powered like never before, Eclipso plunges the Earth into a state of eternal night-and eternal despair! Can the combined might of the Man of Steel and the Dark Knight Detective overcome the wrath of a god? Sounds like this is a job for the Justice Society! Also collects Green Lantern/Green Arrow: World's Finest Special #1!