In these team-up tales from the mid-1970s, Green Lantern and Green Arrow face fantastic threats, starting with the former Green Lantern known as Sinestro! Also in this collection, Green Lantern Katma Tui pursues a monstrous beast to Earth, and Green Arrow accidentally enters Green Lantern's Lantern and becomes cosmically charged. Plus, the Golden Age hero called Air Wave returns in a new guise, as Hal Jordan's young cousin, and Green Arrow's romantic relationship with Black Canary takes some unexpected turns.
These stories are written by Dennis O'Neil, one of comics' most respected writers of the 1970s, with slick art by rising star artist Mike Grell. Collects Green Lantern/Green Arrow #90-106.