From CBR
​"SINESTRO'S LAW" Chapter One
With no backup and only his ring and battery to keep him alive, Hal Jordan streaks toward battle with the Sinestro Corps, while his greatest foe prepares to wipe the last Green Lantern of them all out of existence!

From Newsarama
​Superstar artist Ethan Van Sciver returns to the world of Green Lantern! In the absence of the Green Lantern Corps, Sinestro and his fear-inducing Yellow Lantern Corps patrol the universe as its sole protectors—but deep in space, a green light still burns. Harnessing the remainder of his will, Hal Jordan must become a one-man GL Corps to defeat his greatest foe and restore freedom to the cosmos.