When Thomas heard the cries for help, he didn’t hesitate to do the right thing. It was his chance for redemption. Until everything went wrong. The cave should have been deserted. The perfect place to hide. Instead, it’s crawling with soldiers and engineers working to unearth the impossible: Excalibur.

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.

During a test flight for the world’s first warp engine, Major Noah Gantz is set to go down in the history books. Despite years of training, the mission goes sideways, and instead of a quick trip to the moon and back, Noah's ship is transported across the universe to stars unknown.

Beneath the surface a war rages between the surviving demons still inhabiting the Earth and those few, the initiated, who fight to keep it buried deep where it belongs in the darkest shadows. Troy Odell was doing what he did best, taking the fight to the enemies of the free world. No two missions were ever the same, but he never expected his world to turn so violently upside down as it did. The only surviving member of his team of US Marine Raiders, he finds himself drawn into that secret battle.

An interstellar colony ship on Earth prepares for take-off. Before reaching their first stop—Proxima b Centauri—they are awoken from their cryo pods early, only to learn there's been an alien invasion on Earth. But it's too late. Can the crew find a safe refuge from the invaders and track down colonists from other ships?

Sergeant Paxton Alejo is a League of Humanity Marine Commando, the best of the best. After getting sent to oversee a batch of fresh conscripts, Pax makes the fateful decision to sacrifice his life to save his subordinates. He is posthumously awarded the Cross of Honor, the highest military medal . . .

When society crumbles under the onslaught of civil war, the losing side has only three choices: run, hide, or die. The Imperial family chose to run. Their tattered fleet of warships limps its way across the galaxy, seeking a near-mythical refuge, a world not recorded on any star chart. Unfortunately, this lost world turns out to have its own thriving pocket of humanity. And while they lack spacefaring technology, the locals aren't willing to share.

On the last day of normality in Mackinaw, Illinois, Oliver McCallister thinks his worst problem is figuring out how to come clean to his wife about the secret he’s been keeping from her. Zoe McCallister thinks her worst problem is squeezing in an errand at the courthouse before another long day of nursing classes—and worrying about whatever Oliver is hiding from her.

Kris Chambers is a nobody. A 24-year-old man with a dead-end job and no prospects—and, to top it off, a heart condition that forever keeps him on his toes—he spends his life trapped between apathy, self-doubt, and mortal fear. As he walks down an unfamiliar alleyway, he stumbles upon the lifeless body of a stranger. Unbeknownst to him, this grisly discovery marks the beginning of an entirely new chapter in his life. Upon mysteriously awakening in the hospital, he learns that his heart now functions flawlessly, and he feels… different.

Charlie Travers figures his life can’t get much worse. He lives over a pizza restaurant, he’s lost his girlfriend, and has no prospects for a career. Then, he’s abducted by an alien robot and taken across the galaxy. When he wakes up, he finds himself stranded thousands of light-years away, and about to be killed by space pirates.