The Confederated Systems Alliance has spread to dozens of systems, creating the first true interstellar alliance dedicated to bringing peace and prosperity to all inhabited worlds. Unfortunately, some see this new alliance as a threat to their own seats of power, and would do anything to stop it. After a well deserved rest, Captain Nathan Scott is once again called into action. This time, it is not the fate of the galaxy that is on his shoulders, but the life of one of his dearest friends. But not all is as it appears.

Stephanie Harrington had always expected to be a forest ranger on her homeworld of Meyerdahl until her parents relocated to the frontier planet of Sphinx in the far distant Star Kingdom of Manticore. It should have been the perfect new home - a virgin wilderness full of new species of every sort, just waiting to be discovered. But Sphinx is a far more dangerous place than ultra-civilized Meyerdahl, and Stephanie's explorations come to a sudden halt when her parents lay down the law: no trips into the bush without adult supervision!

Pressed into service when World War II breaks out in the Pacific, the USS Walker---a Great-War vintage "four-stacker" destroyer---finds itself in full retreat from pursuit by Japanese battleships. Its captain, Lieutenant Commander Matthew Patrick Reddy, knows that he and his crew are in dire straits. In desperation, he heads Walker into a squall, hoping it will give them cover---and emerges somewhere else.

An engineer finds himself in an alternate reality, Cornwall, in the year 715 A.D. He awakens in the body of a young Baron.

The new galactic trade network that will fund the Free Fleet's operations is beginning to grow, and soon will begin operations. But if operations are not secure, it could threaten the safety of the entire galaxy . . . and beyond. Only one, very unlikely hero, can protect the galaxy against potential disaster. And he needs help.

On their way to fight in the Mexican-American War, a group of American soldiers are swept away to a strange and deadly alternate Earth in this thrilling new adventure set in the world of the New York Times best-selling Destroyermen series.

A company of Army Rangers is sent on an interstellar colony ship to secure a foothold on a dangerous, alien planet through violence of action. Leaving behind a warring Earth flung headfirst into a conflict of mutual assured destruction, the Rangers and the accompanying crew of first colonists are guided on a 40-year journey by an unprecedented artificial intelligence. But when they emerge from the frigid embrace of cryosleep, they awake to a nightmare, finding themselves greeted by the same ruthless enemy that brought about the ruin of Earth.

Fourteen outstanding authors. Fourteen worlds that never were. Throughout the human experience, historians have wondered, “What if?” What if Japan had been on the side of the U.S. in World War II? What if things had been just a little different in the Falklands? What if Russia had started World War Three?

Badly outnumbered, facing certain destruction, and cut off from supply, the Imperial Roman Ninth Legion Hispana is in a desperate position. Surrounded by the hostile Celtic army, Senior Centurion Lucious Grackus Lisidus Karus must lead his men to safety after unexpectedly finding himself thrust into command of the legion.

More than two centuries after World War III poisoned the planet, the final bastion of humanity lives on massive airships circling the globe in search of a habitable area to call home. Aging and outdated, most of the ships plummeted back to Earth long ago. The only thing keeping the two surviving lifeboats in the sky are Hell Divers - men and women who risk their lives by skydiving to the surface to scavenge for parts the ships desperately need.

Twelve-year-old Montego al'Bou is an orphan, a provincial peasant boy left alone by the recent death of his grandmother. Possessing nothing more than his grandmother's cudgel, he strikes out to the capital where the influential Grappo have offered to bring him up in the luxury of an Ossan guild-family. He finds his welcome frosty, his new home full of confusing responsibilities.

The year is 1989. America has just invaded Noriega's Panama. And Specialist Bennett's platoon of Cav Scouts are in country… with, frankly, not a whole lot to do. Until a freak rainstorm somehow transports the entire platoon—Humvees, weapons, and all—to another world. A world controlled by a wicked Aztec god. The Land of the Black Sun. In a heartbeat, the Scouts find themselves fighting for their lives against savage beasts, witches, zombies, subhuman tribes seeking sacrifices… and even themselves.

Orcs. Trolls. Wraith riders. Dark wizards. Together, they form an unstoppable force. Or so they thought. Dark Army...meet the US Army Rangers. When a Joint Task Force of elite Rangers are transported to a strange and fantastic future where science and evolution have incarnated the evils of myth and legend, they find themselves surrounded, pinned down, and in a desperate fight for their very survival - against nightmares of flesh and blood made real. Which means only one thing. It’s time to Ranger up and stack bodies.

"No killing Goblins." So reads the sign outside of The Wandering Inn, a small building run by a young woman named Erin Solstice. She serves pasta with sausage, blue fruit juice, and dead acid flies on request. And she comes from another world. Ours. It's a bad day when Erin finds herself transported to a fantastical world and nearly gets eaten by a Dragon. She doesn't belong in a place where monster attacks are a fact of life, and where Humans are one species among many. But she must adapt to her new life. Or die.

Get ready to experience two more origin stories in the Backyard Starship universe.

On their way to fight in the Mexican-American War, a group of American soldiers are swept away to a strange and deadly alternate Earth in this thrilling new adventure set in the world of the New York Times best-selling Destroyermen series.

It’s now the 1990’s, Harold Cavill’s children are working to transform their massive corporation’s focus towards space exploration in an effort to make the Mars colony completely self-sufficient and protect humanity's future. This includes nurturing the career of a certain South African emigre to America who had spurred the US space program in the previous timeline. But a shadowy cabal that has struck against the Cavill family before is now working to encourage the most populous Muslim nation on Earth to launch a powerful military strike against Cavill Industries to destroy the ...

Everyone could see it coming. But one man could do something about it. Oh, he couldn't avert the nuclear holocaust, but a scientist in Austria, ruthlessly using billions of research dollars for his own purposes, set himself up and out: he created a time machine, and filled a warehouse with low-tech survival gear. Too bad he didn't get to use it himself. Instead, a team of American grad students, led by their professor, is sent back to the late Roman Empire. Even though they are experts in this time and place, they are about to realize that books and actual experience are very different things.

When the Ring of Fire drags Grantville, West Virginia, back to seventeenth-century Germany, down-time veteran Edgar Neustatter finds himself among the survivors of a unit devastated by the up-time Americans and their Swedish allies. After wintering in Grantville, they return home to find that while they have changed, their village has not. Having glimpsed the promise of a republic ruled by its people rather than lords and tyrants, Neustatter leads his men and their families back to Grantville to establish a new agency: Neustatter's European Security Services.

An engineer finds himself in an alternate reality, Cornwall, in the year 715 A.D. He awakens in the body of a young Baron.