Written by Peter Tomasi Art by Patrick Gleason and Rebecca Buchman Cover by Patrick Gleason The Green Lantern Corps faces the Sinestro Corps in this prelude to BLACKEST NIGHT from issues #33-38 of the monthly series! Mongul enslaves the planet Daxam, making it the home world of his Corps. Will Sodam Yat, the Green Lantern known as Ion, fight to save his homeworld, which he's vowed never to return to?