Science Fiction Adventure War Space Opera

Congratulations Citizen, you have been selected for military service. It’s the news no one wants. Fighting the aliens known as the Ma’Tis is a dangerous occupation. Recruit Cosmo Frost will have to devote himself completely if he’s going to become a Battle Trooper and qualify for the elite Armor Brigade. The HAVOC drone is an experimental new technology developed specifically for the war with the Ma’Tis. The Heavy Armor Vehicle for Offensive Combat is faster and more agile than a MECH. It’s a walking weapons platform controlled by Battle Troopers in the newly developed...

In a single act of courage, the young American grunt saves an interstellar soldier from certain death at the hands of a vicious killer. Afterward, she promises to show him the stars. Mark will begin his new life far away from Earth—a life not so different from that of a humble soldier. Out among the asteroids, he learns of swords and honor, starships and empires. He learns what it means to be a Peacemaker. Along the way, he's joined by Perry, his combat AI companion who helps Mark learn how to survive—and earn a living—among the stars.

After seven years of bitter war, the end has come at last for the conflict known infamously as the Horus Heresy. Terra now lies within the Warmaster’s sights, the Throneworld and the seat of his father’s rule. Horus’ desire is nothing less than the death of the Emperor of Mankind and the utter subjugation of the Imperium. He has become the ascendant vessel of Chaos and amassed a terrible army with which to enact his will and vengeance. But the way to the Throne will be hard as the primarch Rogal Dorn, the Praetorian and protector of Terra, marshals the defences.

Low on fuel and hunted by the Fleet of Knives, the sentient warship Trouble Dog follows a series of clues that lead her to the Intrusion - an area of space where reality itself becomes unstable. But with human civilization crumbling, what difference can one battered old ship have against an invincible armada?

Science Fiction Stories 4 by Various Authors is a spellbinding collection of science fiction short stories that transports readers to extraordinary realms, exploring dystopian futures, post-apocalyptic landscapes, and thrilling adventures in space. Discover the Extraordinary Experience the gripping "The Music Never Stopped" where Captain Thofas Stanton faces a stormy challenge on Yohnston Island. Uncover the enigma in "The Oldest Question" as scientists grapple with a profound mystery that could change the course of humanity. Navigate the futuristic society in "Refuse All Replacements" ...

For a decade, peace has reigned in interstellar space. A tripartite agreement between the Colonial Union, the Earth, and the alien Conclave has kept the forces of war at bay, even when some would have preferred to return to the fighting and struggle of former times. For now, more sensible heads have prevailed. But now, there is a new force that threatens the hard-maintained peace: The Consu, the most advanced intelligent species humans have ever met, are on the cusp of a species-defining civil war. This war is between Consu factions ... but nothing the Consu ever do is just about them.

The Carryx—part empire, part hive—has waged wars of conquest for centuries, destroying or enslaving species across the galaxy in its conflict with an ancient and deathless enemy. When they descend on the isolated world of Anjiin, the human population is abased, slaughtered, and put in chains. The best and brightest are abducted, taken to the Carryx world-palace to join prisoners from a thousand other species. Dafyd Alkhor, assistant to a prestigious scientist, is captured along with his team.

The Ravennox are still out there. But thanks to Darius Spann and the Superba, Lawson and the other forces of the newly-restored Cygnus Realm face another, far more immediate threat. Spann and his Superba allies still hold sway over a huge swath of human territory, declaring it all Imperial space. Humanity is split, the Realm on one side and the Empire on the other, both claiming to be led by the Messenger. With neither able to land a decisive blow to knock out the other, a cold war now simmers between these two competing visions for the future.

They were humanity's last hope. As the majority of Earth's population uploaded their consciousnesses to embrace digital immortality—free from illness and death in the simulated Metaverse—the Beta Explorers were tasked with expanding their presence throughout the galaxy. They terraformed worlds and created colonies so that humans could live and thrive in physical environments.

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.

Nothing has worked to bring the lost quadrant of Euripides back into the League’s fold. In desperation, the bot known as Lead Tetrarch Jade Thrall calls for an Apocalypse Code, directing all available SSI personnel to attack the planet’s infrastructure. The newest tool in the assassins' arsenal are specialized bots known as H-LADs, nicknamed Hollow Lads for their ephemeral nature. With Agent Blackmark sprung from prison, the Hollow Lads and other enemies of the Planetary Republic embark on an unprecedented crime spree filled with death and destruction. But the local AI has some tricks ...

Changes are happened to Earth. They can't be stopped, and the results will be fatal. An ancient alien fleet is heading towards the Sol System, and with it, the fate of the known galaxy hangs in the balance. The stakes are higher than ever before for our heroes and all of humanity. All the challenges and battles that have been fought until now for Earth mean nothing. This is the battle that will determine the fate of not only humanity, but the galaxy.

The Alliance has arrived. There is uncertainty about the arrival of a substantial alien presence on Earth and its impact on humanity, and its way of life. At the same time, there is fear the Coalition may return. That fear becomes a harsh reality of inter-galactic war when the Coalition returns, in strength. Earth is now on the frontlines of the War of Succession. Joe Hunt and his team now have internal and external threats to Earth. The only option is to travel to the Alliance to learn more about the war and what may be in store for Earth. MORE BOOKS BY DONALD B MCFARLANE The Earth Saga ...

SSI Agent Blackmark is resigned to his fate on a backwater planet. Then he is abruptly sent by Lead Tetrarch Jade Thrall to Euripides in an effort to take back its quadrant for the League. Assassin-class ships sneak him in, but he lands in a prison. Before he can leave, he has to deal with Remington Rennison, who is trying to break in at the same time he is trying to leave ... Don't miss the latest installment of this action-packed space opera! See who wins, who loses and who dies with the fate of the galaxy in the balance!

The people of Earth now know that the human Colonial Union has kept them ignorant of the dangerous universe around them. For generations the CU had defended humanity against hostile aliens, deliberately keeping Earth an ignorant backwater and a source of military recruits. Now the CU’s secrets are known to all. Other alien races have come on the scene and formed a new alliance - an alliance against the Colonial Union. And they’ve invited the people of Earth to join them. For a shaken and betrayed Earth, the choice isn't obvious or easy.

The former warship Trouble Dog and her crew of misfits is called upon by the House of Reclamation to investigate a distress call from the human starship the Lucy's Ghost. Her crew abandon their crippled ship and seek refuge aboard an abandoned, slower-than-light generation ship launched 10,000 years before by an alien race. However, the enormous ship contains deadly secrets of its own.

No one wanted another war. Thomas Theisman didn't. Not after risking his life to overthrow the Committee of Public Safety's reign of terror and restore the Republic of Haven's ancient Constitution. Baron High Ridge didn't. The Prime Minister of Manticore was perfectly happy with the war he had. No one was shooting anyone else at the moment, and his government could continue to milk all those "hostilities only" tax measures for their own partisan projects.

Earth has been allowed to colonize the planet Garth only because its previous occupants went berserk and wiped out virtually all life there. But now humans, chimps, and their alien allies on Garth are being held hostage in a conflict that could affect the fate of the entire Five Galaxies.

Retired from his fighting days, John Perry is now village ombudsman for a human colony on distant Huckleberry. With his wife, former Special Forces warrior Jane Sagan, he farms several acres, adjudicates local disputes, and enjoys watching his adopted daughter grow up. That is, until his and Jane's past reaches out to bring them back into the game — as leaders of a new human colony, to be peopled by settlers from all the major human worlds, for a deep political purpose that will put Perry and Sagan back in the thick of interstellar politics, betrayal, and war.

The Coalition has seized Earth. Earth has come under attack from a massive Coalition invasion fleet that has come to take resources from the planet that they believe could tip the fate of the War of Succession. In the Etelainen, Joe Hunt plans a daring mission to liberate Earth from the clutches of the Coalition. Doctor Rhea Stokes continues to pursue the conspirators that have dragged the war on in perpetuity for personal gains. On Earth, Doctor Keegan Beck leads a small group of Alliance and human soldiers who must join forces with an unlikely ally to fight back against the Coalition ...