Space Adventures Science

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.

The war for the fate of mankind blazes on. Though the outer defences have fallen, the walls of the Palace itself remain inviolate as Rogal Dorn, the Praetorian of Terra himself, uses every known stratagem and ploy to keep Horus' vast armies at bay. In Perturabo, the Traitor siegebreaker, Dorn faces an adversary worthy of his skill. A terrible, grinding attrition ensues. The crucial battle for the Lion's Gate spaceport is at the heart of this conflict. With it in their possession, the Traitors can land their most devastating weapons on Terran soil. Dorn knows it must not fall.

While the crew of the UN Expeditionary Force's pirate starship Flying Dutchman are enjoying a luxury vacation cruise (not!), UNEF troops are still stranded on an alien-controlled planet. Major Emily Perkins and her team are busy picking up the pieces, and it's not easy, because there is trouble on Paradise...

Multiverse travel is finally possible, but there’s just one catch: No one can visit a world where their counterpart is still alive. Enter Cara, whose parallel selves happen to be exceptionally good at dying—from disease, turf wars, or vendettas they couldn’t outrun. Cara’s life has been cut short on 372 worlds in total. On this dystopian Earth, however, Cara has survived. Identified as an outlier and therefore a perfect candidate for multiverse travel, Cara is plucked from the dirt of the wastelands.

Beyond the edge of the galaxy lies the Unknown Regions: chaotic, uncharted, and near impassable, with hidden secrets and dangers in equal measure. And nestled within its swirling chaos is the Ascendancy, home to the enigmatic Chiss and the Nine Ruling Families that lead them. The peace of the Ascendancy, a beacon of calm and stability, is shattered after a daring attack on the Chiss capital that leaves no trace of the enemy.

The dying Empire's most cunning and ruthless warlord - Grand Admiral Thrawn - has taken command of the remnants of the Imperial fleet and launched a massive campaign aimed at the New Republic's destruction. With the aid of unimaginable weapons long hidden away on a backwater planet, Thrawn plans to turn the tide of battle, overwhelm the New Republic, and impose his iron rule. Meanwhile, Han and Lando Calrissian race against time to find proof of treason inside the highest Republican Council.

To save the shelter, Sergey travels to an unknown planet that has suffered the same fate as Earth. But things don't exactly go according to plan . . . and the situation on Earth has gone from bad to worse!

When Kell and his team return to Earth many years after their departure, they find that their world has changed almost beyond recognition. Not only has a second wave of greenhouse flooding caused sea levels to rise, but society has been changed by the consequences of the climate shift. Few people want to face Jordan Kell's news. He must convince Earth's new rulers that the human race is in danger of extinction unless it acts to forestall the death wave coming from the galaxy's heart.

In the aftermath of his terrible war, Ender Wiggin disappeared, and a powerful voice arose: the Speaker for the Dead, who told the true story of the Bugger War. Now, long years later, a second alien race has been discovered by Portuguese colonists on the planet Lusitania. But again the aliens' ways are strange and frightening...again, humans die. And it is only the Speaker for the Dead, who is also Ender Wiggin the Xenocide, who has the courage to confront the mystery...and the truth.

During a routine survey mission on an uncolonized planet, Kira finds an alien relic. At first she's delighted, but elation turns to terror when the ancient dust around her begins to move. As war erupts among the stars, Kira is launched into a galaxy-spanning odyssey of discovery and transformation. First contact isn't at all what she imagined, and events push her to the very limits of what it means to be human. While Kira faces her own horrors, Earth and its colonies stand upon the brink of annihilation. Now, Kira might be humanity's greatest and final hope....

Lieutenant Xedro Farren is a Primaris Marine, stronger and more adept than even the Space Marines his brotherhood is sent to fight alongside. As the Dark Angels and the Primaris Marines fight a trauma-scarred force of T’au hellbent on destroying their former allies, the true quarry becomes clear - the shadowy instigator of a psychic curse that could plunge a string of Imperial planets into madness. As worlds burn in the fires of battle, an unthinkable pact is struck, with the Primaris Marines peeling back layer after layer of deceit to find the appalling truth.

Harrowhark Nonagesimus, last necromancer of the Ninth House, has been drafted by her emperor to fight an unwinnable war. Side-by-side with a detested rival, Harrow must perfect her skills and become an angel of undeath - but her health is failing, her sword makes her nauseous, and even her mind is threatening to betray her.

Collected in one volume is all three books in C. J. Cherryh's epic The Faded Sun trilogy: Kesrith, Shon'jir, and Kutath.

On the 13th day of Secundus, the bombardment of Terra began. With the solar defences overcome through the devastating strength of the Traitor armada and the power of the warp, Horus launches his assault on the Throneworld in earnest. After withstanding a ferocious barrage of ordnance, an immense ground war commences outside the Palace, with every inch gained paid for in the lives of billions.

Five years ago, the US Space Force became a reality. And while those writing the checks took things very seriously, the other military branches did not. As a result, Space Force was populated by undesirables. My name is Captain Ethan Stone, a decorated member of SEAL Team Six turned Space Force "recruit". Flash forward five years and between tenses. President West is in office. Power has shifted. And Space Force is defunded. With just a handful of us still living on base, we find ourselves being evicted. But before all of us can leave, aliens invade.

Frank Herbert's Dune is one of the grandest epics in the annals of imaginative literature. Now Herbert's son, Brian, working with Kevin J. Anderson and using Frank Herbert's own notes, reveals a pivotal epoch in the history of the Dune universe: the Butlerian Jihad, the war that was fought ten thousand years before the events of Dune - the war in which humans wrested their freedom from "thinking machines."

The fifth book in the NYT best-selling Expanse series, Nemesis Games drives the crew of the Rocinante apart, and as they struggle to survive, the inner planets fall victim to an enemy's catastrophic plan. A thousand worlds have opened, and the greatest land rush in human history has begun. As wave after wave of colonists leave, the power structures of the old solar system begin to buckle. Ships are disappearing without a trace. Private armies are being secretly formed. The sole remaining protomolecule sample is stolen.

Here, Simmons returns to this richly imagined world of technological achievement, excitement, wonder and fear. Endymion is a story about love and memory, triumph and terror - an instant candidate for the field's highest honors.

A world recovering from a devastating plague. A brutal enemy threatening invasion. A young man seeking to escape the shadow of his father. A ship manned by a crew of fresh academy graduates. A top-secret experimental propulsion system. A questionable alliance with a mysterious green-eyed woman. What destiny has in store for the crew of the UES Aurora is far greater than any of them could ever imagine. And this is only the beginning....

He is known by many names - Clonelord, Manflayer, Primogenitor. He is the epitome of deceit and perversion, and feared by man and monster alike. Once the Chief Apothecary of the Emperor's Children, the madman known as Fabius Bile possesses a knowledge of genetic manipulation second to none.