The Wrath of the First Lantern is here as the Green Lanterns battle the Guardians of Oa and the Third Army - but who will win, and at what cost? And as the First Lantern moves on the brightest of the Corps for his reality-altering experiments, we learn the shocking fate of Hal and Sinestro in this must-read crossover event! This title collects GREEN LANTERN #17-20, GREEN LANTERN CORPS #17-20, RED LANTERNS #17-20 and GREEN LANTERN: NEW GUARDIANS #17-20.