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Halo: Outcasts

An original novel set in the Halo universe—based on the New York Times bestselling video game series!

2559. Formerly one of the Covenant’s greatest and most fearsome warriors, Arbiter Thel ‘Vadam is now allied with his former human enemies while deeply entrenched in leading the Sangheili people to a new era of unification. But his aspirations are under constant threat, whether by the dangerous, warring factions of rival Sangheili keeps, or the relentless shadow of oppression spread by the renegade artificial intelligence Cortana​​.

An opportunity to break Cortana’s chains has suddenly presented itself through the rumored existence of an ancient artifact located on the hostile world of Netherop. Spartan Olympia Vale, trained with the skills to live and thrive among the Sangheili, also recognizes this alien prize as an essential means to aid humanity in reaching the same goal of freedom. But behind the scenes, both ‘Vadam and Vale are being manipulated by a mysterious figure with their own agenda. And to make matters worse, all involved are unknowingly placing themselves at perilous odds with forces beyond their comprehension…


Coming Soon!

Halo: Battle Born

Discover the original novel set in the Halo universe, based on the New York Times bestselling video game series!


Limited Time eBook Deals!*

Halo: New Blood

The New York Times bestselling series based on the blockbuster Xbox® games!

Halo: Fractures

Extraordinary Tales from the Halo Canon

A sensational short story collection in the expansive universe of HALO, the New York Times bestselling series!

The Original Series & The Master Chief

Halo: The Fall of Reach

The twenty-sixth 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.

This is the electrifying origin story of Spartan John-117—the Master Chief—and of his legendary, unstoppable heroism in leading the resistance against humanity’s possible extinction.


Halo: The Flood

2552. Having barely escaped the final battle for Reach against the vast alien alliance known as the Covenant, the crew of the Pillar of Autumn, including Spartan John-117—the Master Chief—and his AI companion Cortana, is forced to make a desperate escape into slipspace. But their destination brings them to an ancient mystery and an even greater struggle.

Halo: First Strike

2552. The theocratic military alliance known as the Covenant is showing no mercy as it continues to assault every human world it encounters, but in the way lies humanity’s greatest champion, the super-soldier Spartan John-117—the Master Chief.

Halo: Ghosts of Onyx

The twenty-sixth century. Once considered clandestine, the Spartan-II program has now gone public. Tales of armored super-soldiers fending off thousands of Covenant attacks have become the stuff of legend. While the Master Chief defends a besieged Earth, and the myriad factions of the Covenant continue their crusade to eliminate humanity, an ultra-secret cell of the Office of Naval Intelligence known as “Section Three” devises a plan to buy the UNSC vital time. It will need hundreds of willing soldiers, though—and one more Spartan—to get the job done.

The Ferrets

Halo: Last Light

It is 2553, and the three-decade long Covenant War that defined a generation has suddenly drawn to a close. Yet, in the remotest parts of human space, tensions remain that threaten to overflow into another full-scale conflict.

Rion Forge & ACE OF SPADES

Halo: Smoke and Shadow

Find. Claim. Profit. In a post-war galaxy littered with scrap, it’s the salvager’s motto. And with a fast ship and a lust for adventure, Rion Forge has certainly made her mark on the trade. When the discovery of a wrecked UNSC cruiser brings Rion’s past back to haunt her, stirring fresh hope into a decades-old wound, she’s hell-bent on finding answers: What really happened to her father and his ship, the Spirit of Fire?

Master Chief & The Blue Team

Halo: Silent Storm

A Master Chief Story

2526. It has been a year since humanity engaged in its destructive first contact with a theocratic military alliance of alien races known as the Covenant. Now the hostilities have led to open war, and the United Nations Space Command understands virtually nothing about its new enemy.

Alpha-Nine

Halo: New Blood

While Spartans get all the glory, no soldier―not even the legendary Master Chief―wins a war on his own. Gunnery Sergeant Edward Buck and his team of Orbital Drop Shock Troopers (ODSTs) played a major role in saving Earth from all-out invasion at the end of the Covenant War―acts of bravery and ingenuity that did not go unnoticed by the United Nations Space Command.

But is it time for Buck to retire to the sidelines for a life he could only dream about…or is he prepared to step up and become part of the military’s new blood?

Halo: Bad Blood

Just hours following their climactic battle on the Forerunner planet Genesis, the Spartans of Blue Team and Fireteam Osiris find themselves running for their lives from the malevolent machinations of the now-renegade artificial intelligence Cortana. But even as they attempt to stay one step ahead, trouble seems to find Spartan Edward Buck no matter where he turns.

Gray Team

Halo: The Cole Protocol

2535. It is the first, desperate days of the Human-Covenant War, and the United Nations Space Command has enacted “the Cole Protocol” to safeguard Earth and its inner colonies from discovery by its merciless alien foe. Among those tasked with eliminating any trace of such dangerous information is Navy Lieutenant Jacob Keyes—now saddled with a top-secret mission by the Office of Naval Intelligence…one that will take him to a corner of the galaxy where nothing is as it seems.

Halo: Envoy

It has been six years since the end of the Covenant War...and yet on the planet Carrow, a world on the edge of the Joint Occupation Zone, a decisive new battle suddenly erupts. And none can anticipate the ongoing violence leading to the discovery of an even greater, unstoppable threat—one hidden for eons below the surface of the planet….

The Forerunner Saga

Halo: Cryptum

Book One of the Forerunner Saga

One hundred thousand years ago, the galaxy was populated by a great variety of beings.

But one species—eons beyond all others in both technology and knowledge—achieved dominance. They ruled in peace, but met opposition with quick and brutal effectiveness. They were the Forerunners—the keepers of the Mantle of Responsibility, the next stage of life in the Universe’s Living Time.
And then they vanished.

This is their story.

The Short Story Anthologies

Halo: Evolutions

Essential Tales of the Halo Universe

This collection of eleven stories dives into the depths of the vast Halo universe, not only from the perspective of those who fought and died to save humanity, but also from those who vowed to wipe it out of existence.

Halo: Fractures

Extraordinary Tales from the Halo Canon

Halo: Fractures explores mythic tales of bravery and sacrifice that blaze brightly at the very heart of the Halo universe.

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