The Green Lantern. Volume 1, Intergalactic lawman

"It's Law and Order in space as Hal Jordan encounters a mysterious alien hiding in plain sight, setting off a chain of events that will bring the Green Lantern Corps to its knees! Grant Morrison (All Star Superman, Happy, Final Crisis) is joined by superstar artist Liam Sharp (The Brave and the Bold: Batman and Wonder Woman) as together they explore just what makes Hal Jordan tick. What his personal motivations are. And how the decisions he makes...