Book picks similar to
Uncommon Purpose by P.J. Strebor


science-fiction
sci-fi
space-opera
audio

The Second Ship


Richard Phillips - 2006
    Now, the American government is ready to share the Rho Project discoveries with the world. But as the world scrambles to adopt the alien technologies, three high schoolers make another shocking discovery: hidden inside a cave in the New Mexico wilderness lies another alien ship. As the friends explore the second ship, they begin to unravel a decades-long secret involving an extraterrestrial war, government cover-ups, and secret experimentation using alien technology on humans. A battle has begun, and the secrets of the second ship may be the key to humanity's last chance for survival.

The Ember War


Richard Fox - 2015
    Humanity has a chance. In the near future, an alien probe arrives on Earth with a pivotal mission—help humanity survive an impending invasion by an alien armada so massive it can blot out the stars, or leave the human race to certain extinction. Despite overwhelming odds, the probe recruits a young inventor named Marc Ibarra to plan a daring gambit. To weather the coming storm, Ibarra must build a space fleet strong enough to face an implacable foe in a battle against annihilation.

On Basilisk Station


David Weber - 1992
    Her demoralized crew blames her for their ship's humiliating posting to an out-of-the-way picket station. The aborigines of the system's only habitable planet are smoking homicide-inducing hallucinogens. Parliament isn't sure it wants to keep the place; the major local industry is smuggling, the merchant cartels want her head; the star-conquering, so-called "Republic" of Haven is Up to Something; and Honor Harrington has a single, over-age light cruiser with an armament that doesn't work to police the entire star system.But the people out to get her have made one mistake.They've made her mad!

Aurora: CV-01


Ryk Brown - 2011
    And this is only the beginning… "Aurora: CV-01" is 77,000 word novel, and is Episode 1 of The Frontiers Saga. Episode 2, "The Rings of Haven"is available now!

Drop Team Zero


Jake Bible - 2016
    But a treaty doesn't mean an end to the violence, corruption, piracy, or tyranny in the galaxy. The Galactic Fleet's solution is a crack team of Special Ops Marines: Drop Team Zero.Made up of the absolute fighting best from humans, alien races, hybrids, and even AI androids, Drop Team Zero is called on to handle the worst of the worst, missions that others would tag as pure suicide. But when Drop Team Zero arrives, the only threat of suicide is for the ones that stand in their way.

Live Free or Die


John Ringo - 2010
    But the first aliens to come through, the Glatun, were peaceful traders and the world breathed a sigh of relief. Who Controls the Orbitals, Controls the World When the Horvath came through, they announced their ownership by dropping rocks on three cities and gutting them. Since then, they've held Terra as their own personal fiefdom. With their control of the orbitals, there's no way to win and earth's governments have accepted the status quo. Live Free or Die. To free the world from the grip of the Horvath is going to take an unlikely hero. A hero unwilling to back down to alien or human governments, unwilling to live in slavery and with enough hubris, if not stature, to think he can win. Fortunately, there's Tyler Vernon. And he has bigger plans than just getting rid of the Horvath.

EON


Earl E. Hardman - 2016
    The Ring keeps out all of humanity’s enemies – in particular, a vicious race of reptilians known as the Parsnaak. On the outer fringe of human-occupied space is the planet Muse, an entire world dedicated and established as a colossal museum – a storehouse of antiquities and relics from the ancient histories of both men and aliens. There, Ian Lotus, a man with his own mysterious past, has chosen to live in deliberate obscurity, harboring secrets that could reshape mankind’s destiny. Now, the impossible has happened: the Chronos Ring has been breached – rendered inert – and Lotus finds himself no longer able to hide in the shadows as he becomes the object of a massive interplanetary manhunt. However, his problems go well beyond simply being the most wanted man in the galaxy. There’s also the approaching Parsnaak invasion fleet to deal with, as well as an enigmatic, extra-dimensional being of immense power who, for reasons unknown, wants Lotus dead.

A Talent for War


Jack McDevitt - 1989
    But now, one man believes Sim was a fraud, and Alex must follow the legend into the heart of the alien galaxy to confront a truth far stranger than any fiction.

Deviants


Maureen McGowan - 2012
    If their Deviant abilities are discovered, they’ll be expunged—kicked out of the dome to be tortured and killed by the Shredders. Glory would give anything to get rid of her unique ability to kill with her emotions, especially when Cal, the boy she’s always liked, becomes a spy for the authorities. But when her brother is discovered, and she learns their father, who was expunged for killing their mother, is still alive, she must escape the domed city that’s been her entire world.Outside in the ruins, they’re pursued by the authorities and by sadistic, scab-covered Shredders who are addicted to the lethal-to-humans dust now covering the planet. Glory’s quests to transport herself and her brother to safety make up the thrilling and fascinating first volume of The Dust Chronicles.

Starship Eternal


M.R. Forbes - 2015
    A dire warning from futures past... A desperate search for salvation… Captain Mitchell “Ares” Williams is a Space Marine and the hero of the Battle for Liberty, whose Shot Heard ‘Round the Universe saved the planet from a nearly unstoppable war machine. He’s handsome, charismatic, and the perfect poster boy to help the military drive enlistment. Pulled from the war and thrown into the spotlight, he’s as efficient at charming the media as he was at shooting down enemy starfighters. After an assassination attempt leaves Mitchell critically wounded, he begins to suffer from strange hallucinations that carry a chilling and oddly familiar warning: They are coming. Find the Goliath or humankind will be destroyed. Convinced that the visions are a side-effect of his injuries, he tries to ignore them, only to learn that he may not be as crazy as he thinks. The enemy is real and closer than he imagined, and they’ll do whatever it takes to prevent him from rediscovering the centuries lost starship. Narrowly escaping capture, out of time and out of air, Mitchell lands at the mercy of the Riggers - a ragtag crew of former commandos who patrol the lawless outer reaches of the galaxy. Guided by a captain with a reputation for cold-blooded murder, they’re dangerous, immoral, and possibly insane. They may also be humanity’s last hope for survival in a war that has raged beyond eternity.

Marines


Jay Allan - 2012
    The deal was simple; enlist to fight in space and he would be pardoned for all his crimes.In the 23rd Century, assault troops go into battle wearing AI-assisted, nuclear-powered armor, but it is still men and blood that win battles. From one brutal campaign to the next, Erik and his comrades fight an increasingly desperate war over the resource rich colony worlds that have become vital to the economies of Earth's exhausted and despotic Superpowers.As Erik rises through the ranks he finally finds a home, first with the marines who fight at his side and later among the colonists - men and women who have dared to leave everything behind to build a new society on the frontier, one where the freedoms and rights lost long ago on Earth are preserved.Amidst the blood and death and sacrifice, Erik begins to wonder. Is he fighting the right war? Who is the real enemy?

Leviathan Wakes


James S.A. Corey - 2011
    When he and his crew stumble upon a derelict ship, the Scopuli, they find themselves in possession of a secret they never wanted. A secret that someone is willing to kill for—and kill on a scale unfathomable to Jim and his crew. War is brewing in the system unless he can find out who left the ship and why.Detective Miller is looking for a girl. One girl in a system of billions, but her parents have money and money talks. When the trail leads him to the Scopuli and rebel sympathizer Holden, he realizes that this girl may be the key to everything.Holden and Miller must thread the needle between the Earth government, the Outer Planet revolutionaries, and secretive corporations—and the odds are against them. But out in the Belt, the rules are different, and one small ship can change the fate of the universe.

Swarm


B.V. Larson - 2010
    The ship is testing everyone it catches and murdering the weak. The good news is that Kyle keeps passing tests and staying alive. The bad news is the aliens who sent this ship are the nicest ones out there....SWARM is the story of Earth’s annexation by an alien empire. Long considered a primitive people on a backwater planet, humanity finds itself in the middle of a war, and faced with extinction. SWARM is an 88,000 word novel of science fiction by award-winning author B. V. Larson.This book is the first book in the STAR FORCE Series.

Hero of the Alliance


Michael G. Thomas - 2015
    His skills are unique, enough to gain him a rare privilege. The chance to join five other Alliance cadets and escape the dull routine of the classroom. They will enter a fierce competition light-years away in the ancient Byotai Empire. Yet days after their arrival a rebellious faction begins a bloody mutiny that spreads like wildfire. The time for competition has ended; the time of war has begun. A handful of capital ships attempt to avoid the massacre, but only Relentless escapes. Nate and his friends are aboard, part of the few to make it out alive. Relentless is a heavily armoured assault ship, a relic from another age, but most of her crew members are dead or missing. Nate and his fellow cadets have to face the unthinkable. Under the guidance of Lieutenant Higgins, the ship's last fighter pilot, the six cadets have just days to practice operating the ship's fighters. There are no others. Only they can defend the ship, or face death at the hands of the enemy. Books in the Star Crusader series: Hero of the Alliance Knighthawk Squadron

Armor


John Steakley - 1984
    The military sci-fi classic in a striking new packageFelix is an Earth soldier, encased in special body armor designed to withstand Earth's most implacable enemy-a bioengineered, insectoid alien horde. But Felix is also equipped with internal mechanisms that enable him, and his fellow soldiers, to survive battle situations that would destroy a man's mind.This is a remarkable novel of the horror, the courage, and the aftermath of combat--and how the strength of the human spirit can be the greatest armor of all.