Books like 'Modulus Echo'

Readers who enjoyed Modulus Echo by Toby Neighbors also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.

sc-fi space military, war & conflict aliens space-opera space-travel first-contact space-fleet military invasion

No Retreat by J.N. Chaney, Terry Mixon
Rated: 4.50 of 5 stars
· 12 ratings
When things are going to plan, check to see what you’re missing.Admiral Jack Romanoff and his crew are trapped inside the Confederation proper and facing an unknown number of alien attack ships. They’d thought the Tardan military was defeated, but they’d been wrong. Now they were trapped in a fight they couldn’t lose.When everything seems exactly as you’d hoped, figure out what you’ve missed...

Categorized as:
space-opera military first-contact aliens invasion space-travel exploration space-fleet
Under Siege by J.N. Chaney, Terry Mixon
Rated: 4.50 of 5 stars
· 12 ratings
Only one world in the cluster remains in enemy hands.Admiral Jack Romanoff and his crew have one remaining nut to crack before they can turn their attention to the people that overthrew the Confederation. The Vesuvius system has become a fortress, so it won’t be an easy fight, but it is one they cannot lose and survive.When force alone won’t do the trick, add guile...

Categorized as:
military space-opera first-contact aliens invasion space-travel exploration space-fleet
Operation Liberty by J.N. Chaney, Terry Mixon
Rated: 4.50 of 5 stars
· 12 ratings
Aliens invaders hold human worlds. That cannot stand.Admiral Jack Romanoff and his crew have defeated the Locusts once and for all, but they are far from the only invaders infesting the Confederation. The time to go after the xenophobic Novarites and free those worlds has come, and nothing will stand in his way.If words aren’t enough, show them your teeth and bite deep...

Categorized as:
military space-opera first-contact aliens invasion space-travel exploration space-fleet
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
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:
aliens exploration first-contact invasion military space-fleet space-opera space-travel
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:
aliens exploration first-contact military space-fleet space-opera space-travel action-adventure
Earth Ascendant by Raymond L. Weil
Rated: 4.42 of 5 stars
· 12 ratings
From USA Today Bestselling Author Raymond L. Weil comes the second book in a new military science fiction series.The war between the seven alien races of the Confederation and Earth heats up as the two come into direct conflict over the former Human Empire. The people or Earth are determined to free it, and the Confederation is determined to keep it under their strict control...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Artifice by S.H. Jucha
Rated: 4.42 of 5 stars
· 12 ratings
The great spheres and probes of Artifice, humankind’s enemy, haunt every inhabited world near and far. The Omnians’ long and arduous search for Artifice has ended. They’ve located Artifice’s lair in the Talus system. The sentient digital entity rules a vast swath of worlds, known as the federacy, through ruthless intimidation...

Categorized as:
aliens exploration first-contact invasion military space-fleet space-opera space-travel
Nemesis of Mars by Glynn Stewart
Rated: 4.67 of 5 stars
· 6 ratings
A failed attempt on the Mage-QueenAn old friend from the gutterAn enemy that should be dead...When a kidnapping attempt on the Mage-Queen of Mars is thwarted by luck, leaving thousands dead in its wake, Prince-Chancellor Damien Montgomery returns to field operations one more time. The evidence leads to one place: Tau Ceti...

Categorized as:
aliens exploration invasion military space-fleet space-opera space-travel adult
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Interstellar Justice by Jamie Davis, Michael Anderle
Rated: 4.67 of 5 stars
· 6 ratings
Old Villains, New Enemies, Same Squadron of Misfits.Beau and the pilots of Lone Wolf Squadron have settled into their Marshal duties on the Federation Frontier.Now colonies old and new call out for Lone Wolf Squadron to bring justice. On a wing and a prayer is the order of the day as they take on evil at the edges of civilization once again...

Categorized as:
military space-travel exploration space-fleet galactic-empire aliens invasion first-contact
Obliteration by Sarah Noffke, Michael Anderle
Rated: 4.67 of 5 stars
· 6 ratings
A new evil lurks in the darkness. The crew is relieved by Dejoure’s perplexing ability to soothe the monster, but that won’t keep them safe for long.Precious Galaxy Coffee Company is under constant attack. Someone wants to take out the biggest giant in the galaxy. The team goes after the other databases only to learn something that changes everything. Vance is always one step ahead of them...

Categorized as:
aliens invasion exploration first-contact space-fleet space-opera space-travel galactic-empire
Determination by Sarah Noffke, Michael Anderle
Rated: 4.67 of 5 stars
· 6 ratings
A new evil lurks in the darkness Bailey and Lewis are more determined than ever to find Ricky Bobby’s missing crew.Monstre Corp knows they are on the hunt, and Solomon Vance isn’t letting them get close. The monster is still out there, a threat they can’t stop. Jack decides the only way to win is to fake their own deaths. If Vance believes they’re dead, he’ll let down his guard...

Categorized as:
aliens invasion exploration first-contact space-fleet space-opera space-travel galactic-empire
Raven's Flag by Glynn Stewart
Rated: 4.57 of 5 stars
· 7 ratings
In times of peace, alliances wither and are forgotten.In times of war, honor must reforge them in fire and steel!The United Planets Alliance fought the Kenmiri Empire with a hundred allies at their side. Bound in common cause until genocide broke the Kenmiri—and Kenmiri schemes broke the alliance in turn—those one-time allies still left deep debts of blood and friendship behind...

Categorized as:
military aliens exploration space-opera invasion galactic-empire space-fleet space-travel
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Explorations by Raymond L. Weil
Rated: 4.50 of 5 stars
· 8 ratings
Disaster has struck the Human Federation of Worlds. The Eternals have finally found Earth and are preparing to destroy it and the rest of the Federation. They begin gathering a massive fleet to overwhelm and destroy all of the Human worlds...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Crusade by Glynn Stewart
Rated: 4.40 of 5 stars
· 10 ratings
A newborn Alliance, forged to stop the destroyers of worldsA potential ally, with secrets hidden by a thousand liesA long-doomed star, whose ruins hold a vital answer...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
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:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
Oblivion's Light by Raymond L. Weil
Rated: 4.40 of 5 stars
· 10 ratings
Two more years have passed for the Lost Fleets trapped in the Triangulum Galaxy. It’s becoming more apparent with each passing day that the Dyson Sphere of the Simulins must be destroyed if Fleet Admiral Jeremy Strong and his people want to survive. Rear Admiral Kathryn Barnes sets out on a mission of discovery seeking allies against the Simulins...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Genesis by Raymond L. Weil
Rated: 4.40 of 5 stars
· 10 ratings
Fleet Admiral Jeremy Strong is determined to preserve the planet Gaia as the new home of the lost fleets. Unfortunately, a new and frightening danger from the destroyed Dyson Sphere threatens to undo everything he has fought for. Kazak, the AI on the Originator ship has his own agenda. The Humans and Altons will either do as he demands or he will destroy them...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
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:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
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:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
Search for the Lost 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 Originator Wars series. The Eternals have decided to conquer Originator space. All that stands between them are the Originator AIs and the Humans, or at least that is what the Eternals believe. In preparation for the invasion, they begin gathering their massive warfleet...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Shell Game by J.N. Chaney, Terry Mixon
Rated: 4.40 of 5 stars
· 10 ratings
If you can't hide the game, conceal the pieces. Admiral Jack Romanoff and his people have located the system the Tardans are using as their command post for the invasion of the Confederation. Only they can't simply attack militarily because of the stellar terrain, so they need to improvise. When the stakes are high, leave no option unexplored...

Categorized as:
space-opera military first-contact aliens invasion space-travel exploration space-fleet
Lightning Strike by J.N. Chaney, Terry Mixon
Rated: 4.40 of 5 stars
· 10 ratings
In combat, speed is life.Admiral Jack Romanoff and his people have seized control of Faust and now have a base of operations, though the people of that world aren't completely pleased by his presence or actions. That's okay because he doesn't have time to worry about them. He needs to strike the Locusts before they spread even more than they already have in the wreck everything humanity has built...

Categorized as:
space-opera military first-contact aliens invasion space-travel exploration space-fleet
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:
aliens exploration first-contact invasion military space-fleet space-opera space-travel
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Vigilance by Ken Lozito
Rated: 4.33 of 5 stars
· 12 ratings
They’ve spent years exploring this world, but they were living on borrowed time. Only they didn’t know it. Six months ago, Connor learned what the alien race that populated New Earth feared—a mysterious enemy who nearly brought about the collapse of an entire civilization. To help the colony prepare for this new threat, Connor rejoins the Colonial Defense Force...

Categorized as:
aliens exploration first-contact invasion military space-fleet space-opera space-travel
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Echoes of Glory by Jay Allan
Rated: 4.36 of 5 stars
· 23 ratings
A Fight to the End… The Confederation and the Union have fought each other to a standstill. Battered, exhausted fleets eye each other warily across a border that has been a battlefield for three bloody years. Neither side has the strength to attack, and both wait for reinforcements that will allow them to resume the fight...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Crystals by Jonathan P. Brazee
Rated: 4.50 of 5 stars
· 6 ratings
War with the aliens has broken out, and they seem to have all the advantages. Engineers and scientists are scrambling to develop weapons to stand up to the threat, but when all is said and done, it is the Navy fighter pilots who have to take the fight to the enemy...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-travel
Evolve by M.R. Forbes
Rated: 4.50 of 5 stars
· 6 ratings
Series Finale!The starship Pioneer’s voyage is coming to an end, and it won’t be like anything the passengers or crew could have imagined.If any of them survive to see it.Pioneer needs to reach the Forge, but the Forge is surrounded by the enemy’s massive fleet, which is preparing to launch an assault that could leave the station in ruins...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Hell's Reach by David VanDyke, B.V. Larson
Rated: 4.50 of 5 stars
· 6 ratings
USA Today bestseller B.V. Larson and Dragon award finalist David VanDyke have released book six in their epic military space opera! The Breakers find a new home among the stars: Utopia. An engineered planet that is vast beyond comprehension with plenty of room to grow. They set up trade routes and work as mercenaries for their supplies… but trouble lurks. Pirates strike their merchant lanes...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Corruption by Sarah Noffke, Michael Anderle
Rated: 4.50 of 5 stars
· 6 ratings
A new evil lurks in the darkness. After an explosion, the crew of a battlecruiser mysteriously disappears.Bailey and Lewis, complete strangers, find themselves suddenly onboard the damaged ship. Lewis hasn’t worked a case in years, not since the final one broke his spirit and his bank account. The last thing Bailey remembers is preparing to take down a fugitive on Onyx Station...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Enemies & Allies by Rick Partlow
Rated: 4.50 of 5 stars
· 6 ratings
The war is over and Andy Clanton is ready to live happily ever after.Space Force has other ideas.Recruited to follow the last signal of the mysterious Elders to a system halfway across the galaxy, Andy joins the crew of the James Bowie for another adventure into the unknown...

Categorized as:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
Zero Friction by Toby Neighbors
Rated: 4.50 of 5 stars
· 6 ratings
The bestselling space opera is back! The crew of the Modulus Echo is stuck in service to Brigadier General Alicia Pershing in exchange for their freedom. But while working for the Royal Imperium may have its perks, it is also extremely dangerous. From space battles to rescue missions, Ben and his friends will have to use all their resourcefulness if they hope to survive...

Categorized as:
aliens exploration first-contact galactic-empire military space-opera space-travel book
The Line of Duty by Rick Partlow
Rated: 4.50 of 5 stars
· 6 ratings
Danger stalks the Republic once again. Raiders hijack their starships, biological weapons slaughter their colonists, and terrorists kill thousands of innocents in their mega-cities…and as the head of Fleet Intelligence, it’s Jason McKay’s job to track down the enemy, whether they’re on a world at the edge of known space or in the midst of a corrupt government...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-travel
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:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
Sector Seventeen by S.J. MacDonald
Rated: 4.50 of 5 stars
· 6 ratings
For centuries, there have been glimpses of something very strange and very fast in the turbulent space beyond Telathor, known to spacers as the Space Monster of Sector Seventeen. Now the Fourth is sent to investigate the Phenomenon under orders never to use the M word – nobody, after all, wants to be on record as the person who sent warships to hunt for a space monster...

Categorized as:
aliens first-contact invasion military space-fleet space-opera adult book
Ace by Jonathan Brazee
Rated: 4.50 of 5 stars
· 6 ratings
Alien Crystals don't recognize human boundaries. The Navy of Humankind has to hold them back. Small fighters in the vastness of space. Joint Task Force Iron Shield stands ready. Too small to defend everywhere, they need intel so they can go on the attack. Maximize their firepower. Maximize their impact. The Crystals do not know fear. They are coming for what they want...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-travel
Twilight of the Gods by Christian Kallias
Rated: 4.50 of 5 stars
· 6 ratings
Chase tries to convince Thor and the Asgardians to reconsider Kvasir's fate as well as membership in the Earth Alliance. Oryn believes she knows a way to convince the Asgardians to join them in their fight against the Furies, but Thor is not easily manipulated. The Furies move en masse to Droxia to finish what they started earlier as Sarah is tested in unexpected ways...

Categorized as:
aliens first-contact galactic-empire invasion military space-fleet space-opera adult
The Pike Chronicles Books 1-8 - A Space Opera Adventure by G.P. Hudson
Rated: 4.50 of 5 stars
· 6 ratings
Over 3,000 pages of military science fiction action adventure. "An epic space opera adventure" The 1st 8 hit space operas from The Pike Chronicles. Book 1: Sol Shall Rise The Sol System was conquered and humans lived as slaves for 500 long years. Now, after years of brutal warfare, humanity has been liberated...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-travel
Scum of the Universe by Anthony James
Rated: 4.50 of 5 stars
· 6 ratings
Sometimes you give it everything and it’s not enough. The Ragger and Sekar aliens have pushed humanity to the brink of annihilation. Two hopes for survival – genetic modifications to protect against the Sekar, and the death pulse generator – are years from completion...

Categorized as:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
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:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
Judgment Day by Rick Partlow
Rated: 4.54 of 5 stars
· 13 ratings
We’ve won a battle…but we’re losing the war.Travis Miller, his image reformed from the moron who screwed up our first contact with aliens to one of the heroes of the Battle for Eden, is given a new assignment: retake the occupied colony of Brigantia. Losing it would be a glancing blow to the Tahni Imperium, but it would Earth’s first solid strike against them, a chance to go on the offensive...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-travel
Warpath by Ivan Kal
Rated: 4.38 of 5 stars
· 8 ratings
-NOTE- This book has been professionally re-edited as of April 19, 2016 Thirty years after the events in the Solar system, the Empire had entered a time of expansion and advancement. Six hundred light years from Earth, humanity starts again. But, their safety and peace are threatened when a hostile force is detected in one of the systems close to the Empire's border...

Categorized as:
aliens exploration first-contact galactic-empire invasion military space-fleet space-opera
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:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel
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:
aliens exploration galactic-empire invasion military space-fleet space-opera space-travel

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