Hal Jordan and the Green Lantern Corps. Volume 4, Fracture

"New leader of the Sinestro Corps, Soranik Natu, daughter of Sinestro, has seen to it that her brethren set aside their murderous ways for a new mission: to police the universe alongside the Green Lanterns! Against all odds, this unlikely partnership seems to be working. Even Lanterns who recently wanted to murder each other with their bare hands--like Guy Gardner and Arkillo--are now working side by side. But the fragile alliance is sitting atop...