Twelve parallel worlds! Twelve Green Lanterns! And one unstoppable menace! Hal Jordan joins the Green Lanterns of the Multiverse-including Bat-Lantern, Tangent Green Lantern and more-to save a dying Multiverse, defeat the relentless Anti-Man and embark upon their \'Quest for the Cosmic Grail\'! It\'s another Morrison/Sharp science fantasy epic!\"(W) Grant Morrison (A/CA) Liam Sharp