The 26th century. Humanity has expanded beyond Earth’s system to hundreds of planets that colonists now call home. But the United Earth Government and the United Nations Space Command is struggling to control this vast empire. After exhausting all strategies to keep seething colonial insurrections from exploding into a full-blown interplanetary civil war, the UNSC has one last hope.

2559. It has been a year since the rogue artificial intelligence Cortana seized control of the Domain, an otherworldly dimension housing a vast information network. With an array of Forerunner weapons at her disposal, Cortana set out to enforce an authoritarian peace on the civilizations of the galaxy. But as the United Nations Space Command flagship Infinity prepares to strike against Cortana at Zeta Halo, another plan has also been set in motion.

Spartans. Humanity’s first—and last—line of defense in a hostile 26th-century galaxy. You have been selected to join their ranks. The Official Spartan Field Manual is a guide to every element of the United Nations Space Command (UNSC) SPARTAN-IV program, disseminated to all newly augmented Spartans. Inside this book is the guidance you’ll need to put your enhanced strength, speed, and skills to use in both War Games training simulations and, ultimately, joint combat operations.

As kids, the three of them were inseparable; as soldiers, they would be torn apart. Marcus Fenix and Dominic Santiago fought alongside Dom’s elder brother Carlos at Aspho Fields in the epic battle that changed the course of the Pendulum Wars. There’s a new war to fight now, a war for mankind’s very survival. But while the last human stronghold on Sera braces itself for another onslaught from the Locust Horde, ghosts come back to haunt Marcus and Dom.

Orcs. Trolls. Wraith riders. Dark wizards. Together, they form an unstoppable force. Or so they thought. Dark Army...meet the US Army Rangers. When a Joint Task Force of elite Rangers are transported to a strange and fantastic future where science and evolution have incarnated the evils of myth and legend, they find themselves surrounded, pinned down, and in a desperate fight for their very survival - against nightmares of flesh and blood made real. Which means only one thing. It’s time to Ranger up and stack bodies.