It’s been eight years since an alien invasion drove a small surviving group of settlers to seek refuge in an underground shelter. Cut off from the rest of humanity, the ragtag band has maintained a narrowly functioning colony due to communal effort and salvage runs. Alex Archer has her own duties as a dog handler. While this off-world colony may be harsh, Ash, Alex’s black shepherd raised to sense threats, makes living in it a little nicer.

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.

The Sentinels have rallied under the leadership of Adequin Rake, and Cavalon Mercer has uncovered the horrifying genetic solution his grandfather is about to unleash on the unsuspecting outer colonies. Both Rake and Cavalon race against time to save the universe once again. They'll need every resource, every ally who might answer the call.

The Carryx—part empire, part hive—have waged wars of conquest for centuries, destroying or enslaving species across the galaxy. Now, they are facing a great and deathless enemy. The key to their survival may rest with the humans of Anjiin. Caught up in academic intrigue and affairs of the heart, Dafyd Alkhor is pleased just to be an assistant to a brilliant scientist and his celebrated research team. Then the Carryx ships descend, decimating the human population and taking the best and brightest of Anjiin society away to serve on the Carryx homeworld, and Dafyd is swept along with them.

The year is 2108, and the North American Commonwealth is bursting at the seams. For welfare rats like Andrew Grayson, there are only two ways out of the crime-ridden and filthy welfare tenements: You can hope to win the lottery and draw a ticket on a colony ship settling off-world...or you can join the service. With the colony lottery a pipe dream, Andrew chooses to enlist in the armed forces for a shot at real food, a retirement bonus, and maybe a ticket off Earth. 

Avalon was the flagship of the Castle Federation in the last war, now 20 years past. The first of the deep space carriers, no other warship in the fleet holds as many honors or has recorded as many kills. No other warship in the fleet is as old. Accepting the inevitable, the Federation Space Navy has decided to refit her and send her on a tour of the frontier, showing the flag to their allies and enemies as a reminder of her glory - and then decommission her for good.

Marca Nbaro had always dreamed of serving aboard the Greatships, with their vast cargo holds and a crew that could fill a city. They are the lifeblood of human-occupied space, transporting an unimaginable volume - and value - of goods from City, the greatest human orbital, all the way to Tradepoint at the other, to trade for xenoglas with an unknowable alien species. And now, out in the darkness of space, something is targeting them.

Captain Caleb Card and his crew are on a mission to investigate a transmission believed to be from the lost ship. Ambushed upon arrival, they immediately fear the worst. But the beacon isn’t only active, it’s on the move, and where it leads will change everything they thought they knew about the universe. Cast into a distant galaxy brimming with unknown dangers, they’ll need to adapt quickly if they want to survive long enough to help the missing colonists.

Go to war or go to jail. For small-time street hustler Cam Alvarez, the choice is simple.... He has no family, no friends, no place in the world...nothing to lose. When his latest con results in the death of a cartel hit man, Cam opts to join the Marines and leave Earth to fight a vicious alien enemy. Drafted into the Marine Drop-Troopers, Cam discovers there’s one thing he’s even better at than running street-con games, and that’s killing the enemy.

Following the events of Artifact Space, the galaxy continues to change and expand. Frontiers are challenged and what was once a safe space becomes contested, hostile, and unpredictable. From normal people caught up in the unstoppable machinations of politics and war, to spies faced with making the ultimate sacrifice for their nations, these stories follow the DHC as it faces a challenge to everything it holds dear - human rights, fairness and equality. When a rogue system questions their values and power, how can they stay true to their beliefs and protect their citizens?

As an orphaned girl, Harmony survived a strange war waged by an enemy called the Quondam. They crushed every technological advancement in the world, eviscerated the landscape, and killed millions. It can still be stopped. As prophesied, Harmony has a destiny to fulfill. Thirty years later, she is in a tenuous alliance with a cult of zealots who worship time itself. A master code breaker, she’s enlisted to obliterate the power of the Quondam and prevent a war that has already ended.

Tamworth, Mercia AD 825. The once-mighty kingdom of Mercia is in perilous danger. Their king, Beornwulf, lies dead, and years of bitter in-fighting between the nobles and cross-border wars have left Mercia exposed to her enemies. King Ecgberht of Wessex senses now is the time for his warriors to strike and exact his long-awaited bloody revenge on Mercia. King Wiglaf has claimed his right to rule Mercia, but can he unite a disparate kingdom against the might of Wessex who are braying for blood and land?

For 17 years, Colonel Henry Wong and the United Planets Space Force have fought the Kenmiri Empire. They drove the alien overlords back from humanity's borders into their own stars and found allies among the Kenmiri's slaves and subjects. Now the war is over. A great Gathering has been called of the allies who fought the war, but they only ever shared a common enemy. With the Kenmiri in retreat, a thousand new agendas are revealed.

Two centuries after the Confederation staved off an invasion by the robotic Locusts, Captain Jack Romanoff faces mandatory retirement from an ever-shrinking navy. Actions speak louder than words. The Confederation doesn’t think the Locusts are coming back. But what if the politicians are wrong?

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago. Devin Starn starts off as a lowly rock rat aboard Borag, a mining ship working the dangerous end of the asteroid belt. Slowly, he gains prestige and purpose. When an alien base is uncovered, however, he must risk everything to protect his ship and her crew. What wiped out all the civilizations that came before humanity?