Green Lantern #50 Facsimile Edition #1

THE BIRTH OF PARALLAX! Driven mad with grief and determined to take back all he has lost, Hal Jordan has come to Oa to steal the very power of the Guardians. Set against him is Sinestro, Hal's former mentor and greatest adversary. It's the battle to the death that will determine the future of Hal, the Corps, the Guardians, and the Green Lantern legacy for all time. See the birth of Parallax and the debut of an all-new Green Lantern as Emerald Twilight concludes!