Books like 'Harbinger'
Readers who enjoyed Harbinger by Charles R. Case also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
sc-fi space action / adventure military, war & conflict magic military lgbtq female-mc first-contact aliens
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The Valkyrie Returns by Michael Anderle
Rated: 4.65 of 5 stars · 21 ratingsMixing Bethany Anne and politics is inevitably going to cause an explosion. Unfortunately for the Federation council, she’s the only one with the power to take the fight to the Kurtherians. But not for long… Gödel wants her revenge for Qu’Baka. Unbeknownst to Bethany Anne, the Seven are approaching Devon. Gödel’s bold move has far-reaching consequences for everyone playing the game...Categorized as:
aliens first-contact galactic-empire invasion magic military space-opera action-adventure -
![The Pandora Paradox by Joshua Dalzelle]()
The Pandora Paradox by Joshua Dalzelle
Rated: 4.58 of 5 stars · 21 ratingsIt started with a revolution nobody had even realized occurred…Its cruelty sparked a rebellion that everyone refused to admit existed…Now, the Machine—a terrifying and relentless enemy—reigns supreme in the galaxy, and the real fight is just beginning...Categorized as:
aliens epic first-contact galactic-empire military space-opera action-adventure adult -
![She is the Principle: A Kurtherian Gambit Series by Michael Anderle]()
She is the Principle: A Kurtherian Gambit Series by Michael Anderle
Rated: 4.83 of 5 stars · 6 ratingsA teenage boy with a terminal condition, a group of school bullies, and an incognito Empress with a short temper…Kirian Larsen knows he won’t live to see adulthood. Dex and his gang only care that he’s a human living on “their” planet.Their determination to make his life harder bothers Kirian less than their efforts to do the same for their other victims... -
![Forged in Flame by Michael R. Hicks]()
Forged in Flame by Michael R. Hicks
Rated: 4.50 of 5 stars · 10 ratingsThis is the second book of the First Empress saga, following From Chaos Born.Keel-Tath, the child who would unite her people as foretold by an ancient prophecy, has grown to be a young warrior in the confines of the Desh-Ka temple, where she has been sheltered by her old friend and mentor Ayan-Dar from the clutches of Syr-Nagath, the Dark Queen...Categorized as:
aliens epic first-contact galactic-empire invasion military space-opera action-adventure -
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![Excalibur Lost: a Space Opera Novella by Glynn Stewart]()
Excalibur Lost: a Space Opera Novella by Glynn Stewart
Rated: 4.40 of 5 stars · 10 ratingsA broken speciesA broken manA lost legend…Only dreams and stories remain of the worlds humanity once called home, but scattered refugees live in the corners of the empire of their conquerors, the Sacred Council of Races...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![Family Law by Mackey Chandler]()
Family Law by Mackey Chandler
Rated: 4.40 of 5 stars · 10 ratingsPeople love easily. Look at most of your relatives or coworkers. How lovable are they? Really? Yet most have mates and children. The vast majority are still invited to family gatherings and their relatives will speak to them. Many have pets to which they are devoted. Some even call them their fur-babies... -
![Allora by S.H. Jucha]()
Allora by S.H. Jucha
Rated: 4.33 of 5 stars · 12 ratingsUntil the Confederation created Allora, it had produced SADEs (self-aware digital entities) for hundreds of years with enormous consistency and harnessed their capabilities to power the society. But this particular, young SADE was disturbed by her confinement... -
![The Art of Smuggling by Craig Martelle, Michael Anderle]()
The Art of Smuggling by Craig Martelle, Michael Anderle
Rated: 4.69 of 5 stars · 11 ratingsWhy would anyone steal art? Who can you sell it to? The High Chancellor puts Rivka on the trail of serial art thieves. Dismantle the ring. Recover the art. Put the thieves behind bars, thieves who stay one step ahead.Insiders? Or maybe outsiders with inside knowledge? No suspects. No clues... -
![Dark Moon Arisen by Chris Kennedy, Mark Wandrey]()
Dark Moon Arisen by Chris Kennedy, Mark Wandrey
Rated: 4.50 of 5 stars · 6 ratingsThe war continues! The Omega War is in full swing. Earth has fallen to General Peepo’s army, and the surviving Human mercenaries have taken refuge at the hidden Winged Hussars’ base in New Warsaw... -
![Shout of Honor by Sharon Lee, Steve Miller]()
Shout of Honor by Sharon Lee, Steve Miller
Rated: 4.50 of 5 stars · 6 ratingsCommander Vepal is a Hero. He is also the Yxtrang ambassador to the greater universe. These two facts do not make Vepal's life easy. But they do make it interesting... -
![Alpha Contracts by Chris Kennedy, Mark Wandrey]()
Alpha Contracts by Chris Kennedy, Mark Wandrey
Rated: 4.50 of 5 stars · 6 ratings“Before CASPers were the lords of the battlefield, men tested their metal against aliens one-on-one.” First contact has been made, and Earth’s militaries and its premier mercenary companies stand ready to take their first tentative steps outside the Solar System... -
![Acheron Redemption by Ken Lozito]()
Acheron Redemption by Ken Lozito
Rated: 4.50 of 5 stars · 6 ratingsSentinel warships were the answer to the Federation Wars. They brought peace and stability....or so they thought.The Sentinels are a menace, terrorizing spacers across the galaxy in their hunt. But change is coming, and spacers across the galaxy will have to choose whether to fight for their future or not...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![Valkyrie's Daughter by John E. Siers]()
Valkyrie's Daughter by John E. Siers
Rated: 4.50 of 5 stars · 6 ratingsThe alien Akara have a secret. They've discovered the location of a planet that is home to a primitive human civilization, another ancient "seeding" of the legendary Progenitors. But this planet lies in the territory of the Otuka, spacefaring alien predators who consider human flesh to be a delicacy and the planet to be their private hunting preserve... -
![Revikk by Alana Khan]()
Revikk by Alana Khan
Rated: 4.50 of 5 stars · 6 ratingsCan their love survive his deepest secrets? Dawn is immediately attracted to bad boy Revikk and surrenders to her fiery impulses. Confident and skilled, Revikk satisfies. But with every layer Revikk reveals about his past, Dawn must decide whether it spikes her attraction or her fear. Dawn A year ago, I never would have dreamed I’d approach a male like Revikk for a fling...Categorized as:
first-contact female-mc aliens invasion galactic-empire space action-adventure paranormal -
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![Junkyard Raiders by Jamie McFarlane]()
Junkyard Raiders by Jamie McFarlane
Rated: 4.59 of 5 stars · 12 ratingsDumped on a backwater planet, heroic old vets will risk everything to take a stand against vicious alien invaders.On the pastoral, backwater planet of Fimil Alpha, something or someone is eradicating the tribespeople of the Gauder Plains. Back on Earth, Albert Jenkins and his crew are enjoying the short-lived fame that accompanied their last adventure...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![War Eternal, Books 1-3 by M.R. Forbes]()
War Eternal, Books 1-3 by M.R. Forbes
Rated: 4.38 of 5 stars · 8 ratings3 books. 1000+ pages. Over 100,000 unbundled copies sold. Book 1: Starship Eternal A lost starship... 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...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![Void Horizon by J.N. Chaney, Christopher Hopper]()
Void Horizon by J.N. Chaney, Christopher Hopper
Rated: 4.38 of 5 stars · 8 ratingsAn enemy with otherworldly powers. A war fueled by insatiable bloodlust. No one will be spared. Following their first victory against a rogue unit of Repub Marines, Magnus finds his newly trained gladias pinned down by a squadron of Talons...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![Lost Souls by David Mack]()
Lost Souls by David Mack
Rated: 4.29 of 5 stars · 27 ratingsThe soldiers of Armageddon are on the march, laying waste to worlds in their passage. An audacious plan could stop them forever, but it carries risks that one starship captain is unwilling to take. For Captain Jean-Luc Picard, defending the future has never been so important, or so personal -- and the wrong choice will cost him everything for which he has struggled and suffered...Categorized as:
aliens first-contact invasion literary-fiction military space-opera 21st-century action-adventure -
![Fratricide by Craig Martelle, Michael Anderle]()
Fratricide by Craig Martelle, Michael Anderle
Rated: 4.66 of 5 stars · 10 ratingsSafety takes a back seat to profit. Until it crosses the line. Shipyard deaths. Labor complaints. Fear. Intimidation. Rivka gets called in to sort things out, investigate the safety issues, mediate the dispute.What she finds isn’t a negotiation at all. She puts on her Magistrate hat and gets to work sorting out crimes made to look like accidents... -
![Your Life Is Forfeit by Craig Martelle, Michael Anderle]()
Your Life Is Forfeit by Craig Martelle, Michael Anderle
Rated: 4.59 of 5 stars · 11 ratingsRed has a price on his head. Rivka is determined to find those who put it there. Criminals commit crimes. Career criminals do it in secret. They are good at hiding.Rivka’s latest case has her hunting fugitives. Red is on a mission to find them and make them pay for what they’ve done.Her search leads her through dark warrens of political intrigue and ecological disasters...Categorized as:
aliens first-contact galactic-empire invasion space-opera action-adventure audiobook book -
![Stand or Fall by Kevin Ikenberry]()
Stand or Fall by Kevin Ikenberry
Rated: 4.33 of 5 stars · 6 ratingsPeacemakers. The Galactic Union’s most capable enforcers and resolute negotiators, their name alone elicits fear and awe among the Union’s citizenry. While the occupation of Earth continues, MinSha mercenaries under the command of Major General Drehnayl have assaulted Human-held colonies in the outer rim, wiping them out completely... -
![Genesis by Charles R. Case]()
Genesis by Charles R. Case
Rated: 4.33 of 5 stars · 6 ratingsA cutting-edge starship and a pint-sized black cat; these are the weapons of a War Mage. Twins, Sara and Cora Sonders, are newly minted Captains in the United Human Confederation’s Fleet. But their first assignment might turn out to be their last. Thirty years ago, the Elif came from the stars. Their ships filling our skies. Unlike all the movies had taught us, they really did come in peace... -
![Dreadnough by Charles R. Case]()
Dreadnough by Charles R. Case
Rated: 4.33 of 5 stars · 6 ratingsThere is something to be said about using a bigger bat The galaxy is getting a little crowded, especially when everyone is fighting. Sometimes the wrong people get into power for all the wrong reasons. Sara is a power that can not be stopped... She will make herself known to any who are determined to snuff out her people, and they will know the wrath of a War Mage... -
![Star Force: Scorpion by Aer-ki Jyr]()
Star Force: Scorpion by Aer-ki Jyr
Rated: 4.33 of 5 stars · 6 ratingsKara's fate is determined along with the revelation of the Zak'de'ron's true nature, forcing Star Force to list the Dragons as a future enemy while pretending all is normal in the present...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure book -
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![Sinclair's Scorpions by P.P. Corcoran]()
Sinclair's Scorpions by P.P. Corcoran
Rated: 4.33 of 5 stars · 6 ratingsThe Omega War is in full swing. Earth has fallen to General Peepo’s army, and the surviving Human mercenaries have taken refuge at the hidden Winged Hussars’ base in New Warsaw. As humanity begins to think about how to recover the planet, one thing is obvious—more powerful weapons of war will be needed in the effort... -
![Starship Waking by C. Gockel]()
Starship Waking by C. Gockel
Rated: 4.25 of 5 stars · 8 ratingsOn an icy, barren world, a starship dreams of doom… Throughout the galaxy, the reclusive alien race known as The One are incapacitated by terror. On the planet Luddeccea, wolf-human hybrid Volka harbors a terrible secret…a secret that must explain her nightmares...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![Devourer (Reality Benders Book #8): LitRPG Series by Michael Atamanov]()
Devourer (Reality Benders Book #8): LitRPG Series by Michael Atamanov
Rated: 4.63 of 5 stars · 8 ratingsThe aggressive invaders from another galaxy cannot be stopped. The Composite keeps capturing system after system wiping out everything in its path, and there is no sign of a force capable of standing up to it.In the search for allies, Gnat embarks on a long journey aimed at uniting the various branches of the human race...Categorized as:
aliens first-contact galactic-empire invasion magic space-opera action-adventure adult -
![Star Trek: The Fall: A Ceremony of Losses by David Mack]()
Star Trek: The Fall: A Ceremony of Losses by David Mack
Rated: 4.20 of 5 stars · 10 ratingsTHE NEEDS OF THE MANYDespite heroic efforts by Thirishar ch’Thane, the Andorian species is headed for extinction. Its slow march toward oblivion has reached a tipping point, one from which there will be no hope of return.THE NEEDS OF THE FEWWith countless lives at stake, the leaders of Andor, the Federation, and the Typhon Pact all scheme to twist the crisis to their political gain—at any price... -
![The Eternal Tide by Kirsten Beyer]()
The Eternal Tide by Kirsten Beyer
Rated: 4.17 of 5 stars · 12 ratingsAs the Voyager fleet continues its exploration of the Delta Quadrant, investigating the current status of sectors formerly controlled by the Borg becomes a key priority. Two of the fleet's special mission vessels, the U.S.S. Galen and U.S.S...Categorized as:
aliens first-contact invasion military space-opera action-adventure adult anthologies -
![Star Force: Uriti Strike by Aer-ki Jyr]()
Star Force: Uriti Strike by Aer-ki Jyr
Rated: 4.50 of 5 stars · 8 ratingsChanges with the Uriti alter the dynamics of the war against the V'kit'no'sat...and send shockwaves from the galactic rim to Itaru... -
![Star Force: Return to Earth by Aer-ki Jyr]()
Star Force: Return to Earth by Aer-ki Jyr
Rated: 4.50 of 5 stars · 8 ratingsBoth Mak'to'ran and Star Force return to the Sol/Terraxis System, setting up a summit meeting that will irrevocably alter both civilizations going forward... -
![Star Force: Fracture by Aer-ki Jyr]()
Star Force: Fracture by Aer-ki Jyr
Rated: 4.50 of 5 stars · 8 ratingsThe Rim Consortium brings many surprises to the V'kit'no'sat as their border colonies come under sudden, coordinated attack... -
![Star Force: Vargemma by Aer-ki Jyr]()
Star Force: Vargemma by Aer-ki Jyr
Rated: 4.50 of 5 stars · 8 ratingsDeath averted, mysteries revealed, and an entirely different challenge to face for the kings and queens of troubleshooting... -
![Rise Like Lions by David Mack]()
Rise Like Lions by David Mack
Rated: 4.17 of 5 stars · 6 ratingsIN THE MIRROR UNIVERSE . . . Miles “Smiley” O’Brien struggles to hold together his weary band of freedom fighters in their war against the overwhelming might of the Klingon-Cardassian Alliance. Each day pushes the rebels on Terok Nor one step closer to defeat, but with nowhere left to run, the time has come to make their last stand...Categorized as:
aliens first-contact invasion literary-fiction military space-opera action-adventure adult -
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![Without Mercy by Eric Thomson]()
Without Mercy by Eric Thomson
Rated: 4.17 of 5 stars · 6 ratingsWhat is the value of one life in an interstellar war that has already claimed millions? And if that single life doesn't matter, are any others worth saving?A distress signal draws Siobhan Dunmoore's Q-ship Iolanthe, a battlecruiser disguised as a bulk freighter, away from her devastatingly successful hunt through Shrehari occupied space and plunges Dunmoore into a dark, merciless universe of...Categorized as:
aliens female-mc galactic-empire invasion military space-opera action-adventure adult -
![From Furies Forged by Michael Chatfield]()
From Furies Forged by Michael Chatfield
Rated: 4.17 of 5 stars · 6 ratingsThe Kalu aren’t a long lost nightmare anymore. They came from the black. They destroyed Rosho. They ravaged Heija. That was just the scouting force. Their coming back. Power those reactors, charge those rail cannons and ready the fighters. The Free Fleet is going to war... -
![Wonderlands by Una McCormack]()
Wonderlands by Una McCormack
Rated: 4.17 of 5 stars · 6 ratingsAn all-new novel based upon the explosive Star Trek TV series! In a desperate attempt to prevent the artificial intelligence known as Control from seizing crucial information that could destroy all sentient life, Commander Michael Burnham donned the “Red Angel” time-travel suit and guided the USS Discovery into the future and out of harm’s way... -
![The Interstellar Age: The Complete Trilogy by Valmore Daniels]()
The Interstellar Age: The Complete Trilogy by Valmore Daniels
Rated: 4.17 of 5 stars · 6 ratingsForbidden The StarsAt the end of the 21st century, a catastrophic accident in the asteroid belt has left two surveyors dead. There is no trace of their young son, Alex Manez, or of the asteroid itself...Categorized as:
aliens first-contact galactic-empire invasion military space-opera action-adventure adult -
![Titan: Fortune of War by David Mack]()
Titan: Fortune of War by David Mack
Rated: 4.13 of 5 stars · 8 ratingsAn original spin-off novel set in the popular Star Trek: The Next Generation universe from New York Times bestselling author David Mack.Death slumbers in the ashes of silent planets, waiting to be awakened and unleashed… Twenty years have passed since the interstellar scourge known as the Husnock were exterminated without warning by a being with godlike abilities... -
![Collateral Damage by David Mack, Robert Petkoff]()
Collateral Damage by David Mack, Robert Petkoff
Rated: 4.13 of 5 stars · 8 ratingsFrom the New York Times bestselling author of Star Trek: Discovery: Desperate Hours comes an original, thrilling novel set in the universe of Star Trek: The Next Generation!The past returns to haunt Captain Jean-Luc Picard--a crime he thought long buried has been exposed, and he must return to Earth to answer for his role in a conspiracy that some call treason. Meanwhile, the U.S.S... -
![The Sorrows of Empire by David Mack]()
The Sorrows of Empire by David Mack
Rated: 4.13 of 5 stars · 8 ratingsOne man can shape the future...but at what cost? "In every revolution, there is one man with a vision." Captain James T. Kirk of the United Federation of Planets spoke those prophetic words to Commander Spock of the Terran Empire, hoping to inspire change. He could not have imagined the impact his counsel would have...Categorized as:
aliens first-contact invasion literary-fiction military space-opera action-adventure adult -
![Star Trek: Vanguard: Precipice (Star Trek: Vanguard by David Mack]()
Star Trek: Vanguard: Precipice (Star Trek: Vanguard by David Mack
Rated: 4.13 of 5 stars · 8 ratingsDiego Reyes, courtmartialled Starfleet commodore and disgraced former commander of space station Vanguard, discovers that his role in deciphering the truth about the Taurus Reach is not yet over...Categorized as:
aliens first-contact invasion literary-fiction military space-opera action-adventure adult -
![The Masters of War by T.R. Harris]()
The Masters of War by T.R. Harris
Rated: 4.13 of 5 stars · 8 ratingsFOR THREE DAYS ONLY...get The Masters of War for only $3.99. That's a dollar off of the full retail price. From international bestselling science fiction author T.R. Harris comes Book #9 in his classic sci-fi series of Human Superiority in the universe... The Human Chronicles Saga--The Masters of War Adam Cain is an alien with an attitude..Categorized as:
aliens first-contact galactic-empire military space-opera action-adventure adult book -
![Raise the Dawn by David R. George III]()
Raise the Dawn by David R. George III
Rated: 4.10 of 5 stars · 10 ratingsAfter the disastrous events in the Bajoran system, Captain Benjamin Sisko must confront the consequences of the recent choices he has made in his life. At the same time, the United Federation of Planets and its Khitomer Accords allies have come to the brink of war with the Typhon Pact... -
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![Acts of Contrition by Kirsten Beyer, Martin Frei]()
Acts of Contrition by Kirsten Beyer, Martin Frei
Rated: 4.10 of 5 stars · 10 ratingsAn original novel set in the universe of Star Trek: Voyager; and the sequel to the New York Times bestseller Protectors!Admiral Kathryn Janeway has now taken command of the Full Circle Fleet. Her first mission: return to the Delta Quadrant and open diplomatic relations with the Confederacy of the Worlds of the First Quadrant, a civilization whose power rivals that of the Federation... -
![Unworthy by Kirsten Beyer]()
Unworthy by Kirsten Beyer
Rated: 4.08 of 5 stars · 12 ratingsFreed with a thought, the greatest menace to humanity, the Borg, are gone, absorbed into the Caeliar gestalt. But are they? Can this deadly menace that has hovered over humanity for decades truly be gone? Might some shadow of the Caeliar remain? The Federation decides that they have to know, and Starfleet is ordered to find out... -
![The Persistence of Memory by David Mack]()
The Persistence of Memory by David Mack
Rated: 4.07 of 5 stars · 14 ratingsA BRAZEN HEIST Captain Jean-Luc Picard and the Enterprise crew race to find out who has stolen Data’s android brother B-4—and for what sinister purpose... -
![Empire by Michael R. Hicks]()
Empire by Michael R. Hicks
Rated: 4.06 of 5 stars · 18 ratingsEMPIRE is the coming-of-age story of Reza Gard, a young boy of the Human Confederation who is swept up in the century-long war with the alien Kreelan Empire...Categorized as:
aliens epic first-contact galactic-empire invasion military space-opera action-adventure -
![Wings of Retribution by Sara King]()
Wings of Retribution by Sara King
Rated: 4.27 of 5 stars · 13 ratingsFor fans of Science Fiction Adventure, Alien Sci-Fi, First Contact, Space Exploration, Military Space Fleet, and Space Opera comes MILLENNIUM POTION: WINGS OF RETRIBUTION Warning: This book contains butt-kicking, space pirates, laser pistols, faster-than-light travel, more butt-kicking, shapeshifting aliens, a Grade-A bitch, an awesome space battle, additional butt-kicking, an amicable...Categorized as:
aliens epic first-contact galactic-empire invasion military space-opera action-adventure -
![When the Guns Roar by Eric Thomson]()
When the Guns Roar by Eric Thomson
Rated: 4.38 of 5 stars · 8 ratingsCaptain Siobhan Dunmoore no longer enjoys the freedom to fight the Shrehari Empire on her own terms aboard the Q-ship Iolanthe. Special Operations Command has assigned her to Task Force Luckner, whose mission is replicating Iolanthe’s success on a larger scale...Categorized as:
aliens female-mc galactic-empire invasion military space-opera action-adventure adult
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