Three strikingly different alien races
greeted the military mission from Earth
when it reached the planet called Bezer'ej.

Now one of the sentient species
has been exterminated—and two others
are poised on the brink of war.

The fragile bezeri are no more, due to the ignorant, desperate actions of human interlopers. The powerful wess'har protectors have failed in their sworn obligation to the destroyed native

...

In thirty years, the invincible Eqbas will arrive at Earth to forcibly return the planet to what it once was—as retribution, in part, for the gethes' thoughtless near-extermination of an alien ocean-dwelling species. First, however, another world requires their attention: the crowded, ecologically ravaged planet of the swarming, insect-like isenj. Efforts to drastically reduce the isenj population have sparked a devastating civil war—which

...

"As kids, the three of them were inseparable; as soldiers, they were 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,...

"After a brutal fifteen-year war for survival, the Coalition of Ordered Governments is forced to destroy mankind's only remaining city in a final bid to stop the Locust Horde. As the survivors flee Jacinto, they must contend with the last of the Locust, bent on vengeance, as they struggle to stay alive in an icy wilderness. Marcus Fenix, Dom Santiago, and their fellow Gears fight to get Jacinto's refugees to a safe haven but find themselves in a lawless...

Three separate alien societies have claimson Cavanagh's Star. But the new arrivals — the gethes from Earth — now threaten thetenuous balance of a coveted world.

Environmental Hazard Enforcement officer Shan Frankland agreed to lead a mission to Cavanagh's Star, knowing that 150 years would elapse before she could finally return home. But her landing, with a small group of scientists and Marines, has not gone unnoticed by Aras, the

...

Dispatched to a distant world to aid a local dictator facing a revolution, Republic undercover agent Hallena finds herself surrounded by angry freedom fighters and questioning the Republic's methods--and motives. Meanwhile Captain Gilad Pellaeon--sworn to protect the Republic over all--is torn between duty and desire and Ahsoka encounters a new and different Jedi philosophy, which shakes the foundation of her upbringing to the core

With the Human-Covenant war over, the world is in chaos. The UNSC must now lay claim to the universe. But new dangers, both alien and human, may threaten any chance for lasting peace. Readers will join a group of old soldiers to penetrate what was once the heart of the Covenant empire in a desperate attempt to stop old foes from rising again.