A secret buried in the Antarctic. A puzzle unsolved for thousands of years. And a Brooklyn-born master gunnery sergeant who's royally pissed that he has to babysit the researchers sent to figure it all out. But when Patrick "Wic" Finnegan finally sees what the team has uncovered, he can't believe his eyes, nor is he prepared for the violence to come. Soon, the portal opens and unleashes a storm of unbridled fury upon humanity.

Across the six-planet expanse of the Gaia System, the Earthlike Gretia struggles to stabilize in the wake of an interplanetary war. Amid an uneasy alliance to maintain economies, resources, and populations, Aden Robertson reemerges. After devoting fifteen years of his life to the reviled losing side, with the blood of half a million casualties on his hands, Aden is looking for a way to move on. He’s not the only one. A naval officer has borne witness to inconceivable attacks on a salvaged fleet. A sergeant with the occupation forces is treading increasingly hostile ground.

Two centuries after humanity colonized the stars, new dangers emerge. The peaceful inhabitants of the Conclave are threatened by expanding alien powers. Invaders threaten the star cluster, attacking our fringe settlements. Captain Bill Gorman has mysteriously disappeared. His clone, set aside for a dark day like this, awakens and begins to put together the pieces. What’s gone wrong out on the frontier? Why are our colonies being attacked by aliens while the Conclave worlds dream of better days? And what happened to the original Captain Gorman?

Extensive training molded Bruce into a finely tuned mercenary. A man capable of scouring the galaxy to protect the innocent and vanquish the corrupt. An assignment to a distant outer system brings mystery, death, and mayhem. During his mission, a chance encounter with a stunning royal in a dimly lit bar results in all hell breaking loose. Save the damsel, figure out the mystery, and kill all the bad guys. If only saving humanity was that simple.

It is not impossible to rewrite history. In fact, when one computer runs the world, changing history happens faster. Those who were heroes have been labeled villains. The alien Melagorns and Dreth, once friends, are now competitors at best. The Regime works to instill loyalty to humanity. Loyalty to brotherhood. Loyalty to the state. Loyalty to the words preached every night. John Dunn fled into a radioactive wasteland, seeking death rather than work in the Regime. What he learns changes humanity forever.

After nine long years of searching the Inner Stars, Jessica and the crew of Sabrina have finally found the president's brother, Finaeus Tomlinson. Now Finaeus has convinced them to take a shortcut through a jump gate - a new technology none of them have ever used before - located at a secret dwarf star mining operation. But a mysterious group within the Transcend Space Force, known as the Grey Division, has orders to intercept and capture both Jessica and Finaeus. Trapped at the bottom of a steep gravity well and surrounded by enemies, Jessica and the crew of Sabrina must find a way out of the Grey Wolf System and deliver the crucial information Finaeus carries back to New Canaan before even their allies are forced to turn against them.

The massive Mozari spaceship struck without warning. In an instant major cities were leveled. Millions were wiped from the face of the Earth. The horrifying message to those remaining - your training starts now. Pods scattered across the globe are filled with strange, alien wares and scientists of all backgrounds must come together to harness the advanced technology in a race to discover its secrets before the one-year deadline. And before their experiments with the exo suits kill another soldier. Few possess the rare antibodies needed to control the Mozari armor.

It's been over a century since three generation ships escaped an Earth dominated by artificial intelligence in pursuit of a life on a distant planet orbiting Tau Ceti. Now, it’s nearly Braking Day, when the ships will begin their long-awaited descent to their new home. Born on the lower decks of the Archimedes, Ravi Macleod is an engineer-in-training, set to be the first of his family to become an officer in the stratified hierarchy aboard the ship. While on a routine inspection, Ravi sees the impossible: a young woman floating, helmetless, out in space.

Peacemakers. The Galactic Union’s most capable enforcers and resolute negotiators, their name alone elicits fear and awe among the Union’s citizenry. It is a time of upheaval throughout the Galactic Union. As the effects of the Omega War ripple outward, a Peacemaker falls silent at the outpost mining colony of Parmick. Sensing danger, the Peacemaker Guild dispatches two new graduates of the Academy to investigate and report. They are a new breed of Peacemaker, perfect for the clandestine infiltration mission.

After a soldier is left for dead, Eva Delgado's life begins to unravel. The truth of what happened remains a mystery, and the government will stop at nothing to keep it buried. Together with the unit's medic, Eva finds herself branded a terrorist and enemy of the state, hunted by two opposing governments. When the pair uncover a plot that could have ramifications for the whole galaxy, they know they have to act, but it will take all of their training, cunning and just a bit of luck to do what no one else has achieved. But what do you do when every secret begets another?

In this collection of short stories, New York Times best-selling author Jack Campbell explores what kinds of problems mankind might face as our horizons expand.

Cole Riker is a Slip Runner. A contractor tasked with finding alien salvage in exchange for credits. For an ex-smuggler like Cole, there’s a catch: Don’t break the terms of parole. That means doing things by the book. Find salvage, turn it in, get paid. But everything changes when a retrieval mission lands him in a previously unknown sector. There, he finds the material he’s been sent to recover, along with something more. A brand-new form of ancient alien life.

They’ve watched us for centuries through the Rift. They’ve prepared. Invasion is inevitable. The Earth Fleet has known of the Watchers for years, unwilling to share the knowledge with humanity. Now it might be too late. Hidden away from the Fleet, one man is creating a new colony ship destined for the other side of the Rift, but he’s missing a few pieces. Three other people have varied paths to get there. Ace goes from the streets of Earth to the Fleet training facility on the moon. Flint, an ex-Fleet pilot, must decide if a job is worth his life.

Benjamin Wrath is among the first officers to get sent to the Andromeda Galaxy. As part of the Sentient Crime Division, millions of light years from Earth, Wrath's precinct is in charge of maintaining order in a chaotic new frontier, tasked with protecting the rights of all sentient beings.

War looms on the horizon.... After the colonization of Mars and Europa, it took us fewer than five generations to reach beyond our solar system and colonize new planets capable of supporting human life. Power struggles have made a galactic war inevitable, and only an old mail runner, a space pirate, and their ragtag crews can prevent it.