Book picks similar to
UFO Down by D.C. Alden


sci-fi
science-fiction
alien-tech
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Mars, The 51st State (The Artifact Series Book 4)


D.R. Swan - 2020
    

A Titan's Vengeance


Ralph Kern - 2020
    A vast barren tract of space lying between the besieged stars of the Kingdom of New Avalon and their distant allies. And it is the latest battlefield in the war burning across the void.Admiral Valin Sarven of the Hegemony fleet is as cunning as he is ruthless. A master tactician commanding the most powerful vessel in space, the battleship Behemoth. He is dispatched into the Reach with a single goal; to sever the long, tenuous supply lines linking the Kingdom to the Liberty Federation.Captain Hal Cutter and his ship, Achilles, join the flagship of the Kingdom’s fleet, the legendary KSS Cronus, in hunting the monstrous vessel lurking in the dark.But nothing has prepared the proud Kingdom Navy for what they’ll face as battleships clash in savage combat. And when Cronus is lost in the first brutal engagement, Cutter must play a deadly game of cat and mouse among the dim stars of The Reach.For these warriors, no quarter will be asked or given.It isn’t just admirals, captains and officers fighting this war, though. It is often those below decks who pay the highest price. And two spacers, one on either side, learn that even amid the fires of war and hatred, an act of mercy may save a wounded soul.Turrets will roar and hulls will buckle in this epic tale of battleships clashing in the night.

Defiant


Aaron Hodges - 2021
    But when his mother is caught up in the slaughter of a fledgeling resistance group, Rydian’s entire family is thrown into infamy. His fellow humans brand him traitor, while the Alfur hail his mother a hero. Desperate to clear his name, Rydian must delve into his mother’s past, and the secrets she sought to uncover. Secrets about the Alfur, about their alien technology—and the mysterious Light that powers their world.

Invasion Day


Scott Moon - 2020
    One night he saddles himself with a hitchhiker, a nuisance who’s more than she seems. And that’s when everything changes.No one was ready for an alien invasion. Death is raining from the sky and the only question left is do you run, fight, or submit.For David Osage and his family, answering is as easy as giving the alien invaders the finger.

Beyond Armageddon V: Fusion


Anthony DeCosmo - 2012
    As humanity prepares one last stand against Voggoth's army of biomechanical war machines and soulless monsters, Trevor Stone crosses the Atlantic in search of allies to open a new front against the powerful entity that engineered Armageddon.From the Great Plains of North America to the Russian Steppes; from the skies over Missouri to the depths of the Atlantic Ocean, Fusion brings this best-selling series to an explosive conclusion.

The Final Dawn


T.W.M. Ashford - 2020
    Desperate to save his wife, he signs up for a dangerous wormhole experiment… but something goes catastrophically wrong, and Jack finds himself cast into the Stellar Abyss.Rescued by a ship of sentient automata on the run from a criminal warlord, Jack discovers a thriving intergalactic community on humanity’s doorstep. They have the technology to save Earth. The problem is, nobody’s ever heard of the place… and the androids are more interested in finding a mythical sanctuary than taking Jack home.Jack wanted to escape Earth. Now he has to find a way back there – before it’s too late.The Final Dawn is the first book in the Final Dawn series. If you like page-turning space operas, then you’ll love this epic science fiction adventure.

The Amplified Trilogy: The Amplified Books 1-3


Lauren M. Flauding - 2017
    Includes The Amplified, The Dissenters, and The Restrainers.

The Mystic Saga


Scott McElhaney - 2012
    Here you’ll find Indentured, Legacy, and Violation in a single affordable edition. Indentured introduces you to the crew of the USS Pioneer – the world’s first superluminal spacecraft. It eventually leaves you with a question as to what happened to the majority of the crew of that ship when it became stranded in the Beta Hydri system.Legacy brings you the tale of those descendants of the original Pioneer colony in the Beta Hydri System, introducing for the first time, the Mystics. When Legacy is invaded by a fleet of spacecraft, the primitive colony, nine-hundred years in the making, reacts in the only way it knows how. When it comes to the Mystics, this reaction could be quite deadly.Violation finishes up the overall “introduction” to the true Mystic Saga, bringing you the tale of about a dozen USSC assassins sent to a 1940’s Earth. Their sole purpose is to slip in, kill their list of targets, and slip out as quietly as possible. Unfortunately, a disgruntled soldier and a vengeful Mystic raise a significant amount of ruckus along the way.

Battlestar


T. Jackson King - 2016
    That puts Ensign Jacob Renselaer on the spot. Can he find out why the aliens killed his ship’s officers? Can he take command of the Battlestar? Does he want to be the leader of ten heavily armed starships that never expected to encounter aliens? Deep in the Kepler 22 star system, mutual misunderstanding between two peoples who cannot speak to each other leads to multiple space battles. Somehow Jacob becomes the leader he never wanted to be. His close friend Daisy the pilot helps him, as do other friends on the Battlestar. On the alien side, Hunter One is determined to kill the invaders who threaten his new colony world. His people the Swarm have never been defeated. Now, he faces Soft Skins who do not flee at the loss of their leaders. In a distant star system, people human and alien die, scheme, and fight for survival. None of them have ever faced combat before. But now, both sides learn what it is like to have someone seek your death and the death of your friends!

The Deep Black Space Opera Boxed Set


James David Victor - 2021
    Only pirates and Rangers. And sometimes you can hardly tell the difference.Bayne of ExistenceCaptain Drummond Bayne is a Navy Ranger tasked with bringing order to the lawless reaches of space. When a simple mission turns deadly, they find themselves navigating space more dangerous than they can imagine. Can they save themselves and uncover a conspiracy that could tear the galaxy apart?The Deep Black Boxed Set contains the entire Deep Black space opera series. If you like fast paced space adventure, rogue pirates, and stories more complex than good vs. evil, you are going to love your visit to the Deep Black.Stories Included:- Parallax- Captain Bayne- Ranger Bayne- Pirate Bayne- The Black Hole- The Void- The Syndicate- Deep Shallows- Bayne of ExistenceDownload The Deep Black Boxed Set and get started on your next space adventure today!Always FREE on Kindle Unlimited

Arrival (The Kyron Invasion, Book 1)


Jasper T. Scott - 2021
    SCOTTTHEY HAVE ARRIVED.2150 AD: Chris Randall just lost his job as a bodyguard. That night, after picking up his wife, Bree, from her shift at a local casino, he breaks the bad news.Moments later, thunder cracks the sky, but there’s no lightning. Flaming debris rain across the valley, and a dark mass goes sailing out of the clouds, headed straight for LA.It’s not one of the Union’s starships, because they can’t defy gravity like that. But then what is it?The answer chills both Chris and Bree to their cores: it’s an invasion.They have to pick up their kids and get away from the city. But the Randalls soon discover that nowhere is far enough away to keep them safe.

The Forever Gate Ultimate Edition: Books 1-9 (Complete Series)


Isaac Hooke - 2019
    It has been one of the highest-rated sci-fi series on Amazon over the last three years. This bundle contains books 1 through 9--the complete series--and will captivate fans of science fiction, fantasy, thrillers, and cyberpunk. In this riveting nine-volume set, Hoodwink Cooper infiltrates a tyrannical alien regime and traverses multiple realities in a daring attempt to save his daughter from certain doom... There's only one problem. He might destroy the last living remnants of humanity in the process. This ultimate edition contains THE FOREVER GATE volumes one through nine. Strap yourself in, because the mind-bending thrill ride that explores what it means to be human has only just begun.

United Moon Colonies


Tom Merritt - 2011
    Now as the Moon finally gains respect on its parent planet, a new madman wants to kill Chong. But it's not all about the President. They have an even more insidious plot to rule both worlds and bring the Fundys back for good.

The Rings of Hesaurun


Peter Harrett - 2021
    Responding to the crash, the primitive earthlings discover the ship's commander Valerie Dunne is a 5,000-year-old woman from the future, forced to escape her nemesis, the Boecki, by hiding in the past. Soon they learn the fate of the future world now rests on this strange woman's ability to harness five Hesaurun rings - rings with the power to destroy, heal, and manipulate time - and somehow, to find a way to alter her own destiny.An epic Sci-Fi tale of good and evil, rescue and survival, betrayal and love, and a threat to mankind unlike anything the human race has ever faced, The Rings of Hesaurun: Book One burns with the scope and imagination of the greatest Fantasy novels of the golden age. Weaving in a huge cast of humans and aliens, Peter Harrett has crafted a galaxy for readers of the 21st century to believe in...immense, ancient, and mind-bending.

The Chiral Agent


L.L. Richman - 2020
    Now, they want him dead.“intricate, action packed and ambitious." — Publisher’s Weekly BookLife Prize (starred review)_________________________________His genetic code could destroy all life.Shadow Recon pilot Micah Case awakens above an alien world, with no memory of his past and a mysterious voice inside his head. Worse, his own military is hunting him... and he has no idea why.The voice leads to a discovery so unbelievable, enemy nations would kill to control it — to control him. Now, Micah must use every skill in his arsenal to secure the stolen research.The stakes are impossibly high, but failure is not an option. The alternative could mean the extinction of a people Micah can no longer call his own. Humanity.THE CHIRAL AGENT is a fast-paced, cerebral thriller that's part hard science fiction, part spy novel, and one hundred percent adrenaline. It’s sure to keep you guessing every step of the way._________________________________“A provocative science fiction thriller novel with intelligent ideas…in a genre that is saturated by robots and aliens. Richman’s writing makes it even larger and more encompassing, as the author writes with bold and evocative strokes [that] keeps you in the zone. ⭐⭐⭐⭐⭐” — Reader’s Favorite Book Reviews “The excellent prose makes this thriller compulsively readable and the suspense creates an exhilarating experience for the reader. The Chiral Agent is tightly plotted and packed with action. ⭐⭐⭐⭐⭐” — Reader’s Favorite Book Reviews