Super-scribe Warren Ellis chronicles the coming of Gah Lak Tus! This deluxe hardcover collects the entire Ultimate Galactus trilogy -- Ultimate Nightmare, Ultimate Secret and Ultimate Extinction -- plus extras. In Ultimate Nightmare, world communications systems break down, and the source of the anomaly is revealed as Tanguska, Russia. Nick Fury of S.H.I.E.L.D. leads a force comprised of Captain America, Black Window and Sam Wilson to investigate; simultaneously, Charles Xavier of the X-Men dispatches his own team consisting of Jean Grey, Wolverine and Colossus. What they discover there -- and what happens next -- defies belief! In Ultimate Secret, a hidden alien race is trying desperately to keep man from reaching the stars. Cape Canaveral scientist Philip Lawson, secretly a Kree soldier assigned to a mission on our planet, knows of the hideous plan and will use all his considerable power to stop it... the power of Captain Mahr Vehl! But his sudden betrayal may mean a swift doom for the Earth. And finally, in Ultimate Extinction, it's time for the coming of Gah Lak Tus! And his arrival could mean the end of all life on this planet! Not even the power of S.H.I.E.L.D. or the brilliance of Fantastic Four leader Reed Richards seems able to stop its inexorable march to Earth. What role do the Ultimate X-Men have in this drama? And who on Earth is Misty Knight and how does she know the fate of our world may rest with -- Ultimate Silver Surfer? Collects Ultimate Nightmare #1-5, Ultimate Secret #1-4, Ultimate Extinction #1-5.