Halo: The Flood
<p><b>REACH HAS FALLEN.</b></p><p><b>THE COVENANT WAR MACHINE RAGES ON.</b></p><p><b>HUMANITY'S LAST HOPE LIES WITH THE CREW OF THE <i>PILLAR OF AUTUMN</i>€•THE INDOMITABLE CAPTAIN JACOB KEYES, STAFF SERGEANT AVERY JOHNSON, THE AI CORTANA, HUNDREDS OF FEARLESS MARINES . . . AND SPARTAN 117, THE MASTER CHIEF. </b></p><p>Having barely escaped the battle for Reach, the crew of the <i>Pillar of Autumn</i> is forced to make a jump into Slipspace in hopes of evading the vast alien alliance hell-bent on wiping out humanity. But their destination brings them to an ancient mystery and an even greater struggle.</p><p>In this far-flung corner of the universe floats a magnificently massive artificial ring world€¦a construct from a long lost race. The humans' only hope of survival is to crash-land on its surface and take the battle against the Covenant to the ground.</p><p>But they soon discover that this enigmatic ring world is much more than it seems. Built 100,000 years ago by a civilization known as the Forerunners, this "Halo" is worshipped by the Covenant€•a sacred artifact that they hope will complete their religious quest for supposed transcendence. They will stop at nothing to control it. </p><p>Engaged in a fierce ground battle, Master Chief and Cortana go deep into the Halo Construct to uncover a dark secret; this enigmatic ring world is also the universe's most dangerous weapon. Its purpose: the destruction of all sentient life. For the Forerunners built the Halo to battle the universe's most vicious enemy€•a virtually unstoppable and suddenly reawakened force known as The Flood.</p>