Green Lantern, war journal. 1, Contagion

"John Stewart returns as Green Lantern for a story about rediscovering your past and forging your future as a Guardian! Just when John Stewart thought he was out as a Green Lantern...he's pulled back in! Hanging up the emerald power ring, the once great Green Lantern is giving the post-superhero life a try. This all comes to a screeching halt when a mysterious Guardian from another universe lands on Earth, seeking John's help. With new threats em...