Book picks similar to
Catalyst by Catherine Hughes


young-adult
aliens
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Black Phoenix


B.V. Larson - 2019
    The excitement of planetfall is indescribable, but quickly transforms into sick disappointment when they find the atmosphere is a roiling mass of hydrochloric acid, carbon dioxide and other deadly poisons. They fly onward, seeking better planets. They find them, but none are ideal. The search goes on for a century, then longer still. As they move farther from Earth, aliens discover the intruding ship, and they begin to investigate humanity. They find our species unacceptable. The years and the light-years go by without relief. The colony begins to splinter. Some accept that their voyage is eternal, while others seek to end it any way they can. The colony’s culture grows darker, and a war begins, both inside and outside the vast ship. What lives among the stars we see at night? Can we reach out to them and survive? Find out in BLACK PHOENIX, a story of exploration, colonization, alien contact and civil war by Wayne Wightman and B. V. Larson, bestselling SF authors with over three million copies sold.

Dangerous Brains


Erik Hamre - 2015
    It is a book that will stay with you long after you finish.

Shapeless


Glenn Bullion - 2017
    Boy must put his best face forward. Brady Jones doesn’t know where he came from. He knows nothing about his family. He doesn’t know what he is, or how it’s possible to do the amazing things he can do. He does know loneliness and survival, both from a life in the foster care system. He knows that he’s comfortable being alone on a Friday night. Despite the fact they’re so very different, he’d like to get to know Lily Ferguson better. Maybe even call her a friend. Brady knows he’s a shapeshifter. He can change his body to look like nearly anything he can imagine. An object, an animal, even other people. What he doesn’t know is how far the powers-that-be in the world will go to meet him, control him. He’s about to find out.

Battle of the New Orleans


Dale C. Musser - 2013
    Recently discharged from his service in the United Stated Navy and working as an engineer for the city of New Orleans, maintaining the pumps that kept the city dry. Tibby decides to spend some time at fishing hole in the swamp shown to him by his grandfather when he was a small boy, his trip turns out to be more than he expects when he discovers an ancient alien spaceship buried in the mud of the swamp. After entering the craft, Tibby accidentally engages an autopilot causing the ship to take off with him aboard navigating through space to its preset destination. What follows are adventures beyond Tibby’s wildest dreams as, the ship contains a cargo of the rarest and most valuable substance in the universe, Solbidyum. Tibby arrives in the Federation space and is greeted by a large Star Ship with thousands of people aboard. He soon discovers he is about to become the richest man in the universe, but not without considerable enemies trying to capture both him and the Solbidyum cargo. Tibby finds himself thrust into a role of hero and falls in love with a beautiful woman, but soon finds that some of his decisions result in the loss of thousands of lives. Thus begins the Solbidyum Wars Saga with Book 1 –Battle of the New Orleans.

Greysuits


Nathan Lee Green
    When a terrorist attack rocks a quiet outer ring mining colony, Aera Maccarin decides to leave her career and her world behind to follow in her parents' footsteps and try to become a Greysuit, one of the most powerful—and illegal—super soldiers in the Coz.Attempting to stop the terrorists before they develop their own Greysuit soldiers, Aera joins a handful of other candidates on a dead end world under the supervision of a crusty veteran, his quiet but strict colleague, and a slightly off kilter biotechnician.Can Aera come to terms with the family legacy that haunts her and survive training, Greysuit fusion, and enemies popping up on every side? Will she make the sacrifices required to change the universe and become the hero it needs?

Storming Heaven (War of the Gods, #1)


Christopher G. Nuttall - 2012
    Now, the human race has spread through countless star systems, but remains hopelessly inferior to the Killers. The god-like aliens are systematically driving humanity to the verge of extinction.Desperate times need desperate measures and humanity launches a crazy plan, to board and seize a Killer starship, hoping to unlock their technology. But the Killer plan to rebuild the universe from scratch is well underway, leaving humanity at the verge of total extinction. If they fail, the Killers will be the only form of life remaining in the entire universe…

Star Bourne (Star Man #1)


I.G. Roberts - 2016
    When he wakes, he is in another place and, it seems, another time. Colin is a very long way from home, on the Ship FNS Destiny with no way to return. When he visits the devastated colony of Zafar, he becomes a changed man, a man with a new purpose in life. Pirates attacking planets and Star-Ships quickly show him the universe is not the friendly place he once thought it was. The idea that people who are as technologically advanced as these will be peaceful and benevolent is only partly true. These Aliens must still maintain a military to defend themselves against their enemies. After pirates attack the ship he is travelling on, the entire command structure is out of action, leaving only Colin to guide the repairs and help the crew steer the ship safely back to home port. Along the way he must rescue innocent civilians from the pirates and help the Federation of Sentient Peoples (FSP) to survive. He learns that the very actions he must take to save the ship and crew could also see him branded a pirate if he is successful. While the FSP is by no means a utopian society, its leaders are smart enough to know they are in trouble and who they should ask for help. Can Colin save the ship and her crew? If he does, will the Federation authorities put him in prison for doing so?

Agents of the Planetary Republic Books 1-10


Jaxon Reed - 2021
    Treaties are signed, trade is restored. But spies and diplomatic turmoil lead to a high-tech cold war of epic proportions. Ex Space Marine Gina Wilcox finds herself in a law enforcement career after the war, but life can be just as dangerous on the streets as the battlefield. Sleeper cells activate, assassinating government officials. Crime syndicates flourish. And a certain high-tech android has been stolen by the League, spirited off world for unknown purposes. Into this milieu a band of Marine outcasts join the fight. They spent more time in the brig than on the battlefield, yet racked up admirable wartime kill ratios. These renegades are quietly recruited by Republican Naval Intelligence to lead black ops against the League. Gina Wilcox will join their leader Commander Hamilton Wolf in a risky interstellar quest to retrieve an android who doesn’t even realize she’s not human. The fate of two civilizations hangs in the balance . . .

Mission: Destructor (The Transcended #7)


Anthony James - 2019
     The Creator is the most powerful entity in the known universe. Protected by the walls of its dark sphere, it constructs vast machines designed to wipe out entire species. So far, it has not encountered significant resistance. Times change. Captain Becky Keller and Commander Joe Nation are given their most dangerous mission yet. Sent into the depths of the dark sphere, they must do whatever it takes to wipe out this deadly alien entity. It’s never easy and the stakes have never been higher. Luckily, Keller and Nation have been given a few tools to help them out. A warship fitted with a quad-barrelled experimental cannon and a spy craft carrying a bomb should be enough to guarantee success. Surely. In the Creator’s realm there are no guarantees. What lies ahead will be the hardest road Keller and Nation have ever travelled. Mission: Destructor is a high-action science fiction adventure involving massive space battles, overwhelming odds and exciting technology. It concludes the Transcended series of books, picking up straight after book 6: Monolith.

Six Seconds (Adrian Tarn)


E.R. Mason - 2020
    Adrian Tarn and R.J. Smith are persuaded to escort two scientists to a landing there to investigate. What they find has unexpected consequences for Earth and every person on it. Join Adrian Tarn, R.J. Smith, and Danica Donoro as they fight to close Pandora's box before Earth becomes a new asteroid belt.

Life as an Independent Space Hauler


Jason Hill - 2021
    Everything was taken from him and he was pressed into military service as a fighter pilot. A few years later, Jace has gotten out of military service and worked on a corporate freighter. He has grown to love space and plans to never return to earth. Dissatisfied with the corporate life, Jace finds the necessary backing to go independent. Thus, he begins the life of an independent freight hauler. This story is inspired by Nathan Lowell's Golden Age of the Solar Clipper series, Firefly, and some anime.

The Alorian Wars: Volume I


Drew Avera - 2017
    But, as his ship decimates planet after planet, he finds his sympathies swinging toward their defeated enemies. Sergeant Anki Paro, a Luthian Marine, has been anxiously awaiting the call to deploy. As the last line of defense against the crushing Greshian forces, she hopes the time has finally come for her world to stand against tyranny. However, as her society prepares for imminent destruction, questions of misplaced loyalties lead Anki to wonder if the world she is trying to save has any real intentions of surviving. As Brendle's and Anki's worlds collide, they find themselves in an unlikely alliance to try to stop the full might of the Greshian Empire before there's nothing left to fight for. A stolen ship, a mission on the line, enemies at every turn... After four months in hiding, Brendle Quin can't delay his mission any longer. His ship, the Replicade, is held together with failing patches, and he needs to make repairs in a port. Unfortunately, the nearest world with proper facilities is situated deep in Greshian-owned enemy territory. The Greshian colony of Farax is a safe hold for piracy in the region, and none is more vile than Crase Tuin, a man known for trafficking people and weapons across the Alorian Galaxy. He has a reputation as the only pirate never to lose a ship--with the exception of the Replicade. When Crase finds the Replicade, he vows to claim the lives of those who stole her. But Brendle won't go down without a fight. Nothing has stopped the Greshian Empire's expanse, but all hope isn't lost... The illusion of peace shrouds a hidden darkness. Just as the crew of the Replicade are getting settled on a seemingly tranquil world, they encounter a young girl with special abilities--and she's being hunted by a secret, powerful organization that will stop at nothing to have her. When Anki and Brendle intervene to help the girl, they are caught in the organization's crosshairs. The crew must make a decision: give into the looming threat of the organization, or die fighting to protect her. Meanwhile, Lieutenant Commander Ilium Gyl has taken command of a Greshian scout ship. A breach in protocol raises questions of his loyalty to the Greshian Empire, leading to a power struggle as a rebellion sparks in a distant sector of the Alorian Galaxy. His ambitions may cripple the Greshian Fleet, or he might just be the empire's savior. The Alorian Wars is a space opera series, filled with political intrigue and shrouded in mystery, is sure to please fans of "The Expanse", "Dark Matter", "Firefly", and "Killjoys". Join the war today!

The Word Is War


Richard Tongue - 2019
    Across the myriad colonies of humanity, rebel forces are rising, clamoring for freedom from the increasingly repressive government of Earth, launching raids on the Confederation Fleet as they prepare for the conflict to come. On the frontier, however, a darker force is emerging, an ancient threat long forgotten, returning to once more threaten eternal, endless tyranny, silent ships massing in the cold depths of space, ready to strike. All that stands between victory and defeat is the Scout Cruiser Xenophon, destined for the scrapyard but recalled to the flag and placed under the command of a renegade officer, Commander Jack Winter, and given a mission that will either save humanity…or seal its fate.

Witch One Did It? (Wax Witch Mysteries Book 1)


Ellie Hanks - 2017
    After getting into trouble with the Witching Police, she's sent back to her sleepy home village of Bone Bridge, on magical probation for thirty days. Banned from using magic and under the watchful eye of her younger sister, Ari is all set for a quiet month. That's when a body is found at the village fair. The sleepy little village of Bone Bridge hasn't seen a murder in 200 years, and now a body has been found in the most unusual way. Ari and her sister can't help but find themselves swept up into a murder investigation, and try as she might, Ari starts to realize that there's no avoiding trouble, even if she wants to. Solving the murder is one thing, but Ari’s convinced that there are other mysteries afoot as well. She suspects she’s being framed for the ‘trouble’ that landed her back home in the first place, but everyone else thinks she’s stark raving mad. Being back home is certainly weird, it's been three years since Ari was last in town and her ex-boyfriend and police Sergeant, Dave, only seems to have grown more handsome in that time. With a murderer on the loose, prize pumpkins being stolen, and a curious magical mystery at the center of her house, staying out of mischief and having a quiet probation might just prove to be more difficult than Ari thought.

Lt. Reilly and the Phantom Raptor


Matthew O. Duncan - 2021