Batman, Superman, Green Lantern and The Flash team up to save the Earth in this Justice League I Can Read book! When Darkseid, ruler of alien planet Apokolips, takes control of Green Lantern's power ring, he uses the ring to destroy the city. Unable to stop it from firing cannons and throwing green-fisted punches, Green Lantern gets some help from his super hero friends to put a stop to Darkseid's scheme and send him back where he belongs!