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.

Neither cosmic philosopher Lars Soren, hotshot pilot Bianca Petrescu, nor the high priestess Jessica McHugh—Lady Death herself—can say quite where in the galaxy they are. But after an experiment gone horribly wrong, one thing is clear: Asphodel Station isn’t in orbit around Jupiter any longer. Worse, the monsters that live out here—ancient eldritch beings thought only to exist in stories and nightmares—have now been alerted to Earth’s existence.

When the research starship Galileo vanishes without a trace, the powers-that-be are quick to bury the incident, eager to prevent escalating tensions that could lead to war. As a former POW, Soren refuses to give the ship up for lost. His daughter is one of the missing. Taking matters into his own hands, Soren starts pulling strings and calling in favors, determined to launch a clandestine mission to bring Galileo home. When an old friend offers him a ship for the operation, he expects a rusty relic headed for the scrapyard.

Lux Blakely, the preteen son of a NASA scientist working on top-secret government projects, is not shackled by accepted scientific theory and dogma. His experiments in gravimetric research and the expanding capability of a nascent AI cause Lux to be closely observed by several government agencies. He discovers a way to use magnetic fields for propulsion, but he needs money. Lux and his friend, Prissy, come up with a way to use his father's developing AI to raise money through social media.

Their minds stolen. Uploaded into war-machines. They fight a secret war to preserve humanity. What if there was a war raging for one million years, but it was kept secret? It's a question Sargis never considered, born as an upper middle class man living in Prime City during a so-called "Millenia of Peace." As far as he, or anyone else knows, humanity has no army, no weapons, and no wars.

Naval Officer Jack Samson thought a posting to the frontier of human-inhabited space was the death blow to his career. He couldn't have been more wrong. A routine inspection of a small merchant vessel leads to devastating loss and the discovery of strange, fascinating objects. As astonishing discoveries unfold, a mysterious and hostile ship proves that Samson has a competitor in unlocking the secrets of an ancient alien civilization and that humanity might not be alone in the galaxy after all.

Five years ago, Kelana Gardavros lost everything in the war against the Pale empire. Now Kel Garda is just another refugee living on the edge of an isolated star system. No one knows she was once a member of an Order whose military arm was disbanded and scattered across the galaxy. And no one knows that if her enemies found her, they might destroy the entire world to get rid of her. Kel’s past intrudes in the form of a long-dormant Pale war machine, suddenly reactivated. If the massive automaton isn’t stopped, at best it will carve a swath of devastation that displaces thousands of people.

Captain Axel Finn has spent his life running salvage missions with an alien crew and their war bot. This motley group has found refuge on his ship from their own tumultuous pasts. But little do any of them know, beneath his gentle demeanor, their steadfast captain is far from the peace following, adventure seeking giant of a man they all love. His pacifist ethos meant to safeguard them has edged them to the brink of financial ruin and drawn dangerous enemies.

Commander David Bryce is scheduled to lead a routine re-supply run for the Orbital Development Group (ORB) to the fledgling colony on Mars. Without warning, he’s taken away by government agents and told the mission parameters have changed. They’ve discovered something. And it’s drifting closer to Earth. Atlas Donovan tirelessly hunts for an artifact, and tracks the piece to Lake Como, Italy. After the recent news from ORB, Atlas is more drawn to the trail than ever.

For more than fifty years, the Terran Republic and the Terran League have been killing one another. The death toll has climbed ever higher, year after year, with no end in sight. But the members of the Five Hundred, the social elite of the Republic's Heart Worlds, don't care.