In the 23rd century, humanity has been hunted to the verge of extinction by an alien race. When an exploratory ship accidentally travels back in time to Viking-age Scandinavia, the human race is given a second chance. Pursued by the power-hungry King Harald, the four surviving crew members join a ragtag band of Vikings as they pillage their way across Europe. To save humanity, they must somehow return to the stars. Thus begins a decades-long effort to teach the Vikings to build a craft capable of reaching space - a ship that will come to be known as the Iron Dragon.

On the world of Dematr, the Emperor and his legions rule over the lands on the eastern side of the Sea of Bakre, and the Great Guilds rule over the Emperor and his subjects. The Mechanics Guild, whose members claim they came from the stars, controls technology far beyond that of the swords and sailing ships of the common people, while the Mage Guild wields strange powers. Jules, an orphan, has fought her way up to become an officer in training with the Emperor’s fleet. But her life is shattered when a Mage prophesizes that her bloodline will one day overthrow the Great Guilds.

The year is 1901. Germany's navy is the second largest in the world; their army, the most powerful. But with the exception of a small piece of Africa and a few minor islands in the Pacific, Germany is without an empire. Kaiser Wilhelm II demands that the United States surrender its newly acquired territories: Guam, Puerto Rico, Cuba, and the Philippines. President McKinley indignantly refuses, so with the honor and economic future of the Reich at stake, the Kaiser launches an invasion of the United States, striking first on Long Island.

In a war room in Washington, William Tecumseh Sherman and General Robert E. Lee huddle together and plan their next, joint military operation. In the jungles of Mexico, Ulysses S. Grant is locked in brutal combat with the best of the British Army. And in the heart of the new American South a fragile peace is threatened...

Outraged when the US Navy seizes three Confederates aboard an English sailing ship, Britain retaliates by entering the fray in support of the Rebels - and suddenly, it's a whole new war. Once again, cotton is king as the North's blockade crumbles before the might of the Royal Navy. While Lincoln confronts the monumental challenge of vanquishing mighty Britannia, the Redcoats revive their 1812 penchant for burning down American cities, and Union troops see Canada as ripe for the picking.

London: 1793. Young firebrand John Pearce, on the run from the authorities, is illegally press-ganged from the Pelican tavern into brutal life aboard HMS Brilliant, a frigate on her way to war. In the first few days, Pearce discovers the Navy is a world in which he can prosper. And he is not alone; he is drawn to a group of men who eventually form an exclusive gun crew, the Pelicans, with Pearce their elected leader.

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.

Joe Colsco boarded a flight from San Francisco to Chicago to attend a national chemistry meeting. He would never set foot on Earth again. On planet Anyar, Joe is found unconscious on a beach of a large island inhabited by humans where the level of technology is similar to Earth circa 1700. He awakes amid strangers speaking an unintelligible language and struggles to accept losing his previous life and finding a place in a society with different customs, needing a way to support himself and not knowing a single soul.

The world died long ago, leaving only a few here and there to rebuild. Their world had once been grand and magnificent, but too much was lost in the years after the time known as the Dying. Knowledge that had been gained over centuries disappeared from the world, lost when those who carried that knowledge died with it.

This story is set at the end of the 10th century and charts the journey of a young warrior, whose father, Bersi, is killed during a raid on Wessex. Sven Bersisson has to grow up quickly and to follow in his father’s footsteps. Sweyn Skull Taker, his uncle, becomes his foster father and they raid Wessex and Frankia, where the young warrior becomes a man. King Sweyn Forkbeard, the king of Denmark, uses their clan to help in his dream of defeating the Norwegians and then taking the throne of England.

The first book in an action–packed new SF adventure series. Vulcan is a factory planet, centuries old, Company run, ugly as sin, and unfeeling as death. Vulcan breeds just two types of native: complacent or tough. Sten is tough. When his family is killed in a mysterious accident, Sten rebels, harassing the Company from the metal world’s endless maze-like warrens. He could end up just another burnt–out Delinquent. But people like Sten never give up.

Zombies are real. And we made them. Are you prepared for the zombie apocalypse? The Smith family is, with the help of a few marines. When an airborne "zombie" plague is released, bringing civilization to a grinding halt, the Smith family, Steven, Stacey, Sophia, and Faith, take to the Atlantic to avoid the chaos. The plan is to find a safe haven from the anarchy of infected humanity. What they discover, instead, is a sea composed of the tears of survivors and a passion for bringing hope.

Most of the time the Moontide Bridge lies deep below the sea, but every 12 years the tides sink and the bridge is revealed, its gates open for trade. The Magi are hell-bent on ruling this new world, and for the last two Moontides they have led armies across the bridge on "crusades of conquest". Now, the third Moontide is almost here, and this time the people of the East are ready for a fight... but it is three seemingly ordinary people that will decide the fate of the world.

Though he was later accused of every crime and sexual perversion in the galaxy, Hope Hubris began as an innocent. Because he defended his older sister against the violent lusts of a wealthy scion, Hope and his peasant family were forced to flee Callisto, one of the moons of Jupiter. Pursued by the bloodthirsty scions across the airless desert, they barely escaped with their lives. The illegal space bubble was overcrowded with refugees, all hoping to reach Jupiter for asylum.

Born with a deformed hand and an utter lack of the family's blood magic, Isabelle is despised by her cruel father. She is happy to be neglected so she can secretly pursue her illicit passion for math and science. Then, a surprising offer of an arranged royal marriage blows her life wide open and launches her and Jeane-Claude on an adventure that will take them from the Isle des Zephyrs in l'Empire Céleste to the very different Kingdom of Aragoth, where magic deals not with blood but with mirrors.

Captain Andy Blacklock was overseeing the change of shifts at the state of Illinois' maximum-security prison when the world outside was suddenly ripped apart. They thought it was an earthquake until they found that the Mississippi River had disappeared, along with all signs of civilization. Then the sun came up - in the wrong direction. And a dinosaur came by and scratched its hide against the wall of the prison.... Something had thrown the prison back in time millions of years. And they were not alone.

In this alternate history of the American frontier and the Jacksonian era, a small change takes place in the Battle of the Horseshoe Bend during the War of 1812. What results is a cascade of new developments that becomes an avalanche. In our world, Ensign Sam Houston, just turned 21, led the charge on the creek barricade in that battle and almost died from a terrible wound that took him a year to recover from. In this world, his wound is minor, so he is able to continue fighting the British—and develop his close relationship with Andrew Jackson much sooner.

New York Times best-selling author Eric Flint has received glowing critical praise for his Ring of Fire alternate history series. In this first installment, a West Virginia town is transported from the year 2000 to 1631 Germany at the height of the Thirty Years’ War. Thrust into conflict, the town residents must also contend with moral issues such as who should be considered a citizen.

Michael and Melanie Anderle are hauling a tanker full of oil with their Peterbilt eighteen-wheeler when they're struck by a temporal irregularity that sends them, the truck, and their daughter back in time a thousand years. The bubble that transports them also grabs a chemist and her two young children, along with half a convenience store in the middle of the United States. They just want to make a decent life for themselves in this new world of the past, with their Peterbilt and its oil providing a means of transportation, a generator, and shelter.

A cosmic accident sets the modern town of Grantville, West Virginia, down in war-torn 17th-century Europe and a new nation is forged. Now when United States of Europe ally King Gustavas of Sweden invades Poland, the U.S. of E. is dragged into a full-scale European war against ruthless opponents. Meanwhile Mike Stearns, wily and courageous leader of the up-time West Virginians, has been turned out of office in an election. But, like Churchill (before and after him) Stearns is not done yet.

Antigonus One-eye has murdered Susan Godlewski. He did it on camera as a political statement of dominance. The Ship People, the people from the twenty-first century who had arrived in this time on the Cruise ship Queen of the Sea, had to respond. Or they would be the meat for any bandit chief from the tag end of the fourth century BCE. Captain Lars Floden declared Antigonus One-eye dead, but despite the magical beliefs of this time, just saying it didn't make it so. Making it so would demand courage, and commitment, misdirection, and impossible technology from the twenty-first century. As ...

The impact of the time transposition that brought a twenty-first century cruise ship to the Hellenic world right after the death of Alexander the Great continues to unfold. While President Al Wiley is building a new America in Trinidad and Captain Lars Floden is trying to use the Queen of the Sea to spread enlightenment around the world, Rome is experiencing a wakeup call—and so are its neighbors. If things don't change, the Roman republic is going to become a dictatorship. And if things don't change, the Samnites, Etruscans and other Italian states will become subjects of the Roman ...

On a planet that was once part of a vast interstellar civilization, humans survive on the edge of barbarism amid the ruins of the once-great empire.

In the year 1635, the Rhineland is in turmoil. The impact of the Ring of Fire, the cosmic accident which transported the small modern West Virginia town of Grantville to Europe in the early 17th century, has only aggravated a situation that was already chaotic. Perhaps nowhere in central Europe did the Thirty Years' War produce so much upheaval as it did in the borderlands between France and Germany. Archbishop Ferdinand of Cologne shares the religious fanaticism of his older brother, Duke Maximilian of Bavaria.

In Northern India, the Malwa have created an empire of unexampled evil. Guided or possessed by an intelligence from beyond time, with new weapons, old treachery, and an implacable will to power, the Malwa will sweep over the whole Earth. Only three things stand between the Malwa and their plan of eternal domination: the empire of Rome in the East, Byzantium; a crystal with vision; and a man named Belisarius, the greatest commander Earth has ever known....

The Malwa Empire has conquered 6th century India and is forging the subcontinent's vast population into an invincible weapon of tyranny. Belisarius, the finest general of his age, must save the world. Guided by visions from a future that may never be, he and a band of comrades penetrate the Malwa heartland, seeking the core of the enemy's power. And when Belisarius leads the forces of good, only a fool would side with evil.

In the mid-1870s, a violent spray of comets hits Earth, decimating cities, erasing shorelines, and changing the world's climate forever. And just as Earth's temperature dropped, so was civilization frozen in time. Instead of advancing technologically, humanity had to piece itself back together.... In the 21st century, boats still run on steam, messages arrive by telegraph, and the British Empire, with its capital now in Delhi, controls much of the world.

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.

Marc Vitrac was born in the early 1960's, about the time the first interplanetary probes delivered the news that Mars and Venus were teeming with life, even human life. Now, in 1988, Marc has been assigned to the US-Commonwealth base on Venus. But there are flies in this ointment - and not only the Venusian dragonflies, with their yard-wide wings....Extravagant and effervescent, The Sky People is alternate-history SF adventure at its best.

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.