Books like 'Hellfire'

Readers who enjoyed Hellfire by C.H. Gideon, Caleb Wachter & Craig Martelle also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

sc-fi space action / adventure military, war & conflict space-opera space-travel military exploration soldiers first-contact

Vapor Trails by Joshua Dalzelle
Rated: 4.63 of 5 stars
· 20 ratings
He was a rogue element, disobeying orders and pursuing mission goals of his own. His Scout Team had been burned, disavowed by his chain of command and the owner of the stolen ship he was flying was after them to get it back. To make matters even more complicated, the man Jacob had stolen the ship from is an infamous outlaw and mercenary named Jason Burke… his father...

Categorized as:
first-contact military soldiers space-fleet space-opera action-adventure adult book
Retaliation by Ryk Brown
Rated: 4.50 of 5 stars
· 12 ratings
Part 2: Episode 10 A ship unable to defend itself… A captain determined to revive her… Worlds dependent on them both to survive… An enemy bent on their destruction… With the Aurora unable to fight, the Karuzari Alliance must find a way to not only repair their flagship, but to make the enemy pay dearly. Sometimes, you just have to make do with what you've got...

Categorized as:
exploration military space-opera space-travel action-adventure adult audiobook book
The All-Pro by Scott Sigler
Rated: 4.43 of 5 stars
· 14 ratings
THE ALL-PRO is the third book in the Galactic Football League series, following on THE ROOKIE and THE STARTER.Seven centuries into the future, aliens and humans compete for the greatest prize in the universe: the Galaxy Bowl trophy. Quarterback Quentin Barnes enters his third season at the helm of the Ionath Krakens...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Blockade: Age of Expansion - A Kurtherian Gambit Series by Craig Martelle, Michael Anderle
Rated: 4.50 of 5 stars
· 10 ratings
Humanity’s greatest export – Justice. Space is a dangerous place, even for the wary, especially for the unprepared. The aliens have no idea. Here comes the Bad Company. When the Bad Company learns of a human colony blockaded by aliens, they take the upgraded War Axe into battle. Once again, nothing is as it seems, but this time, they find a single enemy, evil to its core...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
The Colossus by Jay Allan
Rated: 4.50 of 5 stars
· 10 ratings
The Hegemony strikes again… The Confederation and its allies have won their first victory, retaken their capital from he forces of the Hegemony. But the enemy is not beaten, far from it, and they are back, with an unstoppable weapon, a vast superbattleship, a deadly hybrid of imperial and Hegemony technology, called the Colossus...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
The Price of Liberty by D.J. Holmes
Rated: 4.50 of 5 stars
· 10 ratings
War has been declared. The Indian Star Republic has landed ground troops on the newly discovered colony of Haven as they seek to seize access to the alien worlds of Vestar and Kulthar. The British Star Kingdom has reacted. A battle fleet has been formed with orders to drive off the Indians and retake Haven...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
A Grimm Decision by Jeffery H. Haskell
Rated: 4.50 of 5 stars
· 10 ratings
From USA Today bestselling author Jeffery H. Haskell comes book six in the military science fiction epic in the tradition of Honor Harrington and Star Trek...

Categorized as:
space-opera military space-travel soldiers first-contact space-fleet exploration sci-fi
Nua'll by S.H. Jucha
Rated: 4.42 of 5 stars
· 12 ratings
The Omnian expeditionary fleet sails for the faraway place they call “the wall.” The worlds of humankind have consolidated their resources to create a powerful armada to confront the alien federation.During the Omnians’ previous encounter with an alien fleet at the wall, the Nua’ll comm sphere spoke to them in multiple languages...

Categorized as:
exploration first-contact military space-fleet space-opera space-travel action-adventure adult
Delphi Diversion by Bob Blanton
Rated: 4.42 of 5 stars
· 12 ratings
Catie is on her way back to Earth after having settled the Fazulan slaves when the wormhole her ship is traveling in collapses. They are diverted to another system where big chunks are flying around. They rescue a ship and find themselves in the middle of a series of mysteries...

Categorized as:
exploration first-contact military space-fleet space-opera space-travel action-adventure aliens
Duchess of Terra by Glynn Stewart
Rated: 4.42 of 5 stars
· 26 ratings
When Terra knelt to an alien Imperium They guaranteed our safety and our future But now their enemies are coming for us To preserve humanity’s survival and freedom in a hostile galaxy, Annette Bond tied her world to the A!Tol Imperium, taking on the mantle of Duchess of Terra to rule humanity in the Imperium’s name...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Terra and Imperium by Glynn Stewart
Rated: 4.44 of 5 stars
· 23 ratings
Secrets both ancient and new. Powers great and greater— With Terra caught in the middle Humanity’s first colony is a project neither the Duchy of Terra nor the A!Tol Imperium can allow to fail. The planet Hope in the Alpha Centauri system has been lavished with resources and attention—but when an unknown alien force attacks the system, all of that is in danger...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Leviathan's Fear: A Military Sci-Fi Series by Craig Martelle
Rated: 4.67 of 5 stars
· 6 ratings
Trapped in Ga’ee space, Leviathan runs for its life.And the lives of its crew.Declan Payne and Harry Wesson decide to go on the offensive. They have no choice.They can’t go home. It only delays the inevitable.The Ga’ee march relentlessly into the space of the seven races while turning an inward eye toward the interloper, the ship they call God1...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Sector Force by Jamie Davis, Michael Anderle
Rated: 4.67 of 5 stars
· 6 ratings
Tardex is safe and the Marshals of Lone Wolf Squadron stand down for some much needed rest and relaxation.Needless to say, the frontiers of the Etheric Federation don’t stay peaceful for long.The growing squadron must battle sinister forces threatening their part of the frontier.A delegation arrives from a neighboring system to request aid from Commander Beau Ward and his pilots...

Categorized as:
space-opera military soldiers space-travel exploration space-fleet first-contact sci-fi
Lunar Crisis: Age of Expansion by Tom Dublin, Michael Anderle
Rated: 4.67 of 5 stars
· 6 ratings
The Shadows have been blooded and survived. There was no time for celebration as their next mission came upon them like a gangster in the night. Or missiles out of the blue.Captain Jack Marber, the Yollin Tc’aarlat, and Adina Choudhury take the ICS Fortitude to the moons of Taglen...

Categorized as:
exploration soldiers first-contact space-opera space-travel military sci-fi aliens
The Terran Privateer by Glynn Stewart
Rated: 4.31 of 5 stars
· 16 ratings
Earth is conquered. Sol is lost. One ship is tasked to free them. One Captain to save them all. When an alien armada destroys the United Earth Space Force and takes control of the human homeworld, newly reinstated Captain Annette Bond must take her experimental hyperspace cruiser Tornado into exile as Terra’s only interstellar privateer...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Buccaneers by Jamie McFarlane
Rated: 4.43 of 5 stars
· 23 ratings
The crew of the Hotspur just happens to be looking for a new home. If Nick James is right, and he usually is, the Tipperary solar system is about to become the busiest trading hub in the galaxy. To sweeten the pot, the cloud-city of Lèger Nuage is offering free warehouse space to qualified traders. It's a deal that seems too good to pass up. Of course, nothing's as simple as it seems...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Give No Quarter by Jamie McFarlane
Rated: 4.46 of 5 stars
· 21 ratings
Alternate cover for ASIN B01FQ57I7G can be found here: Give No Quarter Branded criminals and on the run from the most powerful corporation in the known universe, Liam Hoffen and the crew of Hotspur have a simple choice to make...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Darkness Beyond by Glynn Stewart
Rated: 4.41 of 5 stars
· 24 ratings
A newly-founded human colony world burned from orbit A warship squadron of the galaxy’s oldest race ambushed and destroyed An ancient enemy reborn in the darkness beyond the known stars The A!Tol Imperium and their new human subjects have had fifteen years of relative peace. New colonies have been founded, new worlds explored, new ships built...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Shield of Terra by Glynn Stewart
Rated: 4.45 of 5 stars
· 20 ratings
The mother, ruler of an entire world Sent to the heart of an old enemy to build a new peace The daughter, officer of a deadly warship Sent to the darkness to find the new enemy hunting them all A dozen inhabited worlds of the Kanzi Theocracy and the A!Tol Imperium are ash...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Bane of Worlds by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Following his successful mission to recover the missing warship ESS Crimson, Captain John Duggan finds himself unredeemed in the eyes of his superiors. His duties resume and this time he’s given something easy - escort a cargo ship to a distant planet and bring it home safely. But war is never so predictable and a straightforward mission becomes something much more important...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Galactar by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Following decades of war and the recent catastrophic loss of an entire planet, the Human Planetary Alliance is riven by internal disputes and rivalries. The military’s old guard fights for power against those who see a chance to turn things around.After a series of hard-fought victories, Captain Carl Recker is becoming recognized as a man who gets results - a man who knows how to beat the Daklan...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.40 of 5 stars
· 10 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Fulcrum Gun by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Lost in hostile space and pursued by the most powerful warship in the known universe, Captain Carl Recker is losing hope and running out of options. His battleship Fulcrum is no match for this enemy and the Meklon aliens who might have helped him are dead, killed by the Galactar’s murderous weaponry.Somehow, Recker must find a way to succeed where the might of an alien empire already failed...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Laws of Ancidium by Anthony James
Rated: 4.40 of 5 stars
· 10 ratings
Having fought his hardest battle, Captain Carl Recker returns to planet Lustre, bringing the alien battleship Fulcrum with him.Recker is under no illusions that he’ll be offered backdated shore leave, but his feet don’t even touch the ground before trouble shows up. A heavily armed fifty-thousand-metre Meklon interstellar drops out of lightspeed near the planet...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Return to Haven by D.J. Holmes
Rated: 4.40 of 5 stars
· 10 ratings
The revelation that the human race is not alone has sent shockwaves throughout Earth’s naval powers. Suddenly all eyes have turned to Haven and the trade routes to the Vestarian and Kulrean homeworlds. Thinking he has nothing to lose, Haven’s First Councilor puts into motion a plan that threatens to turn star empire against star empire...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
The Dark Invaders by Raymond L. Weil
Rated: 4.40 of 5 stars
· 10 ratings
From USA Today Best Selling Author Raymond L. Weil comes the second book in the Star Cross series. Over fourteen months have passed since Fleet Admiral Kurt Vickers drove the Profiteers from Earth. Eighty million people died while the planet was being ransacked and its wealth stolen. Now a new and deadlier threat comes from intergalactic space...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
The Long Voyage of the Little Fleet by Mackey Chandler
Rated: 4.40 of 5 stars
· 10 ratings
In the first book of this series "Family Law", Lee's parents and their business partner Gordon found a class A habitable planet. They thought their quest as explorers was over and they'd live a life of ease. But before they could return and register their claim Lee's parents died doing a survey of the surface...

Categorized as:
exploration first-contact military space-fleet space-opera space-travel action-adventure adult
Refuge by Glynn Stewart
Rated: 4.36 of 5 stars
· 11 ratings
A dying world, shattered by a broken machineA desperate flight, their only hope for refugeA robotic race, ally and destroyer alikeThe Republic of Exilium has grown in strength and confidence at the far end of the galaxy from the rest of mankind, sending out scout ships to survey the worlds around them as they try to learn more about the mysterious Construction Matrix AIs...

Categorized as:
exploration first-contact military space-fleet space-opera space-travel action-adventure adult
Relics of Eternity by Glynn Stewart
Rated: 4.33 of 5 stars
· 12 ratings
The edge of Imperial expansionFar from Earth and the other homeworldsHere lie the secrets of ancient godsHere…there be dragonsSeeking to escape the shadow of Annette Bond’s success, Captain Morgan Casimir has taken a posting on the far side of the A!Tol Imperium. Here, she hopes to begin a legend for herself that stands apart from her stepmother the Duchess...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Fracture by Ken Lozito, Scott Aiello
Rated: 4.33 of 5 stars
· 12 ratings
Colonel Sean Quinn is stranded in another universe, along with two thousand people under his command. They've been hiding from the enemy long enough, now it’s time to return home. Outnumbered against a superior foe, Sean must risk everything in a daring operation, but the mysterious enemy has a few surprises of their own...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
The Prince Awakens by Fred Hughes
Rated: 4.33 of 5 stars
· 12 ratings
Hazard King had always wanted to be an Imperial Fleet officer, just like his father.But he’s a Prince of the Realm, which make things a bit more… complicated. And when Hazard’s parents tell him that they don’t trust his older brother and want Hazard to be the Crown Prince—the heir to the throne—things go from bad to worse.And just when they can’t get any worse, the Empress is attacked...

Categorized as:
space-opera military space-travel soldiers first-contact space-fleet exploration sci-fi
Direct Fire by Rick Partlow
Rated: 4.41 of 5 stars
· 21 ratings
From street criminal to war hero.From outcast to Marine officer.The journey has been a long one, but now it’s reaching the end.Cam Alvarez leads his platoon of Drop-Troopers into the Tahni Imperium, into the final days of the war and the bloodiest battles yet...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
The Others by Jay Allan
Rated: 4.46 of 5 stars
· 17 ratings
From the deepest darks of unknown space, evil comes… Admiral Tyler Barron and the Confederation navy face a new threat, darker and deadlier than any that have come before...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Dark Moon Arisen by Chris Kennedy, Mark Wandrey
Rated: 4.50 of 5 stars
· 6 ratings
The 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...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Recollection by Sarah Noffke, Michael Anderle
Rated: 4.50 of 5 stars
· 6 ratings
Killing the bad guy just got a whole lot harder. Knox is feeling the pressure to remember where he hid the Tangle Thief. The Saverus are also hunting for the device. It’s a race to find it first. Eddie and Julianna seek out a hypnotherapist to help Knox uncover the secrets his subconscious has buried, even though the therapist is on his own personal journey into the abyss...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Preservation by Sarah Noffke, Michael Anderle
Rated: 4.50 of 5 stars
· 6 ratings
Killing the bad guy just got a whole lot harder. While Ghost Squadron follows leads to find the Saverus, these shapeshifters are using their powers to repair the Tangle Thief. If they succeed, the galaxy is doomed. Meanwhile, Julianna’s dreams are about to come true. If they hunt down a terrorist’s group then they’ll have their guns. Shiny, upgraded weapons...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
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...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Judas Kiss by Rick Partlow
Rated: 4.50 of 5 stars
· 6 ratings
The battle for Sparta has begun. Logan Brannigan has taken back his father’s name and now he and Wholesale Slaughter fight to reclaim his father’s throne. But deposing the traitor, Rhianna Hale, without bringing all of Sparta into a bloody and divisive civil war won't be easy. And while the Spartans fight among themselves, vultures circle, waiting for their chance to claim what’s left...

Categorized as:
exploration military soldiers space-fleet space-travel action-adventure adult book
Star Force: Phoenix by Aer-ki Jyr
Rated: 4.50 of 5 stars
· 6 ratings
Cal-com's journey is not at an end. In fact, it's just beginning..

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Valkyrie's Daughter by John E. Siers
Rated: 4.50 of 5 stars
· 6 ratings
The 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...

Categorized as:
exploration first-contact military soldiers space-fleet space-opera space-travel action-adventure
Star Force: Origin Box Set #93-96 by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Resurgence by Jerry Aubin
Rated: 4.38 of 5 stars
· 8 ratings
With the battle for Earth over, our heroes are forced to deal with the repercussions of its outcome. They enlist their closest allies to take back the Ship from enemies both new and old, and along the way they discover a most unexpected source of help...

Categorized as:
exploration military soldiers space-opera space-travel action-adventure audiobook book
Star Force: Origin Series Box Set (85-88) by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Star Force: Origin Series by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
The Origin Series is empire building at its finest, with 100 episodes and over 2.5 million words in the military science fiction serial detailing the rise of Star Force from corporate entity into an interstellar empire over the course of more than a millennium...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Inferno Sphere by Anthony James
Rated: 4.38 of 5 stars
· 8 ratings
Inferno Sphere. A bomb to end all bombs. The ruthless species of biomechanical aliens known as Vraxar have been driven away from the Confederation planet Atlantis. They are not defeated and their unprovoked attack has given them the means to locate the rest of the Confederation worlds. However, the Vraxar are not predictable and their next move is completely unforeseen...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Empires in Ruin by Anthony James
Rated: 4.38 of 5 stars
· 8 ratings
Protected by their energy shields, the Lavorix warships Aeklu and Verumol survived the largest explosion ever created by technology. Now salvaged by the Human Planetary Alliance and their new Daklan allies, these once unstoppable weapons of mass destruction sit in a construction yard undergoing extensive repairs...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure adult
Star Force: Ysalamir by Aer-ki Jyr
Rated: 4.38 of 5 stars
· 8 ratings
V'kit'no'sat and Star Force must unite for a special project in order to find a better way to fight the Hadarak...

Categorized as:
exploration military soldiers space-fleet space-opera space-travel action-adventure aliens

Hellfire by C.H. Gideon, Caleb Wachter, Craig Martelle

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