Books like 'On a Cloudy Day'
Readers who enjoyed On a Cloudy Day by Kevin Ikenberry & Jason Córdova also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
action / adventure military, war & conflict colonization literary-fiction soldiers exploration space-fleet military aliens invasion
-
Darkness Beyond by Glynn Stewart
14 ratingsA 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 soldiers space-fleet -
![Danger Close by Rick Partlow]()
Danger Close by Rick Partlow
15 ratingsAll Cam Alvarez has known is war.For three years, he’s fought the marauding alien Tahni on one God-forsaken planet after another, leading a squad of armored Drop Troopers.But the war is about to change.Cam is an officer now, fresh out of OCS and taking charge of his old platoon, and things have reached a tipping point...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Kinetic Strike by Rick Partlow]()
Kinetic Strike by Rick Partlow
15 ratingsThe war made him a hero. Now the Marines need him to be a leader.Cam Alvarez is a Drop-Trooper. A warrior-knight wrapped in the futuristic armor of a high-tech battlesuit, and he’s one of the best. When he’s promoted to sergeant and asked to become a leader, he faces a whole new challenge. The Marines are striking deep into enemy territory and the casualties are mounting...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Empire's Birth by D.J. Holmes]()
Empire's Birth by D.J. Holmes
8 ratingsThe Karacknid invasion of Earth has been turned back. Yet the War of Doom has only just begun. Tens of thousands of warships are amassing along the Varanni Alliance border. In one fell swoop they threaten to strike into the heart of Alliance space, conquering and devastating everything in their wake...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
-
![Imperial Command by D.J. Holmes]()
Imperial Command by D.J. Holmes
8 ratingsTrapped behind enemy lines, the survivors of the raid on Jaranna have been forced to flee deeper into enemy territory. Behind them Karacknid fleets gather to exact revenge. With danger at every turn, Admiral Lightfoot must find a way to get his ships home or Earth will be left defenceless.On Earth the Empire has been formed and is bringing the outlying colonies into its fold...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![Firestorm by D.J. Holmes]()
Firestorm by D.J. Holmes
10 ratingsFour peaceful years have passed since the liberation of Haven. Captain James Somerville has taken his command, the heavy cruiser Titan, to Earth for a much-needed refit. As he is there, shocking news arrives from the American colonies. Unknown ships have attacked a remote colony. Nuclear missiles have devastated the planet’s surface leaving almost no survivors...Categorized as:
aliens exploration galactic-empire invasion military soldiers space-fleet space-travel -
![Attack Plan Alpha by Jay Allan]()
Attack Plan Alpha by Jay Allan
10 ratingsA battle is coming, the greatest the Rim has seen in ten thousand years, a fight for freedom, for the future, for the very survival of all humanity holds dear. Tyler Barron and his comrades are ready for their greatest test, but even as they prepare to hold the line at Fortress Striker, to turn back the Highborn’s imminent attack, the enemy have opened another front, one far to the rear...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![The Colossus by Jay Allan]()
The Colossus by Jay Allan
10 ratingsThe 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 colonization exploration first-contact galactic-empire invasion military soldiers -
![The Others by Jay Allan]()
The Others by Jay Allan
12 ratingsFrom 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 colonization exploration first-contact galactic-empire invasion military soldiers -
![Direct Fire by Rick Partlow]()
Direct Fire by Rick Partlow
12 ratingsFrom 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:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![The Lost Supernova by Vaughn Heppner]()
The Lost Supernova by Vaughn Heppner
12 ratingsAndroids used to mingle among us, pretending to be human. Then an alien puppet-master altered their programming. Unknown to us, androids began leaving human society, burning their clothes and peeling off their skin to reveal the chrome-colored bodies underneath. They gathered in a system were a star had exploded, blowing away the atmosphere of a Jupiter-like planet...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![The Grand Alliance by Jay Allan]()
The Grand Alliance by Jay Allan
12 ratingsHell is Unleashed The Hegemony controls Megara, the Confederation’s capital. War has raged for five years. Millions are dead, vast fleets of ships have been destroyed. But in the stronghold where Tyler Barron and his comrades have gathered their allies and the last of their strength, a plan is being devised...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![The Lost Swarm by Vaughn Heppner]()
The Lost Swarm by Vaughn Heppner
12 ratingsStar Watch stands guard over the Commonwealth, having defeated New Men, massed Swarm fleets and android attackers. The victories have cost lost ships, slain crews and smashed star systems. The accumulated damage means that Star Watch now strains to keep order as political instability, increased space piracy and rebellions stretch the stellar organization to the limit...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![Liberty by Nick Webb]()
Liberty by Nick Webb
14 ratingsWar. It rages across United Earth space, claiming millions of lives. The Swarm have returned, larger, more fierce, and more technologically advanced than ever before. The voice from Saturn's moon Titan claiming to be Tim Granger is warning humanity that this time, the Swarm may be unstoppable...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
-
![The Lost Artifact by Vaughn Heppner]()
The Lost Artifact by Vaughn Heppner
14 ratingsStar Watch defeated the Swarm Invasion Fleet, but at a terrible cost in destroyed star systems, smashed battleships and billions of dead. In the aftermath of the costly victory, chaos threatens as worlds leave the Commonwealth of Planets, face mass starvation or succumb to increased piracy. The war against the Swarm Imperium has just begun. Humanity needs unity or each planet will fall alone...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![Alabaster Noon by Chris Kennedy, Mark Wandrey]()
Alabaster Noon by Chris Kennedy, Mark Wandrey
6 ratingsThe invasion of Earth is a broken dream, a victim of Peepo’s ability to play the long game better than anyone thought possible. With Alexis Cromwell shot in the back by her XO and the fleet in ruins, the Humans have run back to New Warsaw to lick their wounds, but the Merc Guild now knows the location of their hidden base, and they are in hot pursuit...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion literary-fiction military -
![Redemption's Shadow by Rick Partlow]()
Redemption's Shadow by Rick Partlow
6 ratingsThe throne of Sparta is in Logan's grasp, but victory tastes like ashes. The Jeuta commander, Alvar, has ravaged Wholesale Slaughter’s base on Revelation and taken Katy prisoner. He's holding her hostage to force Logan, the new appointed Guardian of Sparta, to come to them. Alvar hopes his death will throw the whole Dominion into disarray and confusion, making them ripe for invasion... -
![Leviathan's Fear: A Military Sci-Fi Series by Craig Martelle]()
Leviathan's Fear: A Military Sci-Fi Series by Craig Martelle
6 ratingsTrapped 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 colonization exploration first-contact galactic-empire invasion military soldiers -
![Against All Odds: A Military Sci-Fi Series (Grimm's War Book 1) by Jeffery H. Haskell]()
Against All Odds: A Military Sci-Fi Series (Grimm's War Book 1) by Jeffery H. Haskell
7 ratingsThe wrong crew. The wrong ship. The right Captain.Idealistic navy lieutenant Jacob Grimm just wanted to honor his mother’s sacrifice in the last great war. When he’s forced to return fire and destroy a squadron of ships to save his own, he thinks he’s the hero…Until they discover the ships are full of children.Disgraced and denied promotion, Jacob’s career is over...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Siege of Earth by D.J. Holmes]()
Siege of Earth by D.J. Holmes
8 ratingsThe Flex-aor invasion fleets have been stopped, but at great cost. Human colonies lie in ruins, fleets have been decimated and the economies of the major space powers have been stretched to breaking point. Yet one nation stands unaffected. Hidden behind their borders, the Russian Space Federation is stronger than ever...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![Mutineer by D.J. Holmes]()
Mutineer by D.J. Holmes
8 ratingsThe Flex-aor have returned, putting in motion a chain of events that will thrust humanity into a galactic war, the scale of which no human has seen before. Banished in all but name, James’ political enemies have assigned him to the protection of humanity’s colonial frontier as a ploy to rid themselves of the hero of the Siege of Earth...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![A.I. Rescue by Vaughn Heppner]()
A.I. Rescue by Vaughn Heppner
8 ratingsDespite being all alone—the only one of his kind—Bast Banbeck has generously helped humanity time and again against the death machines, saving us from extinction. Years ago, Jon Hawkins promised Bast that he would hunt for and save the Sacerdotes in return. But the homesick Bast is losing hope, drowning his sorrows in extended drinking bouts...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![A.I. Armada by Vaughn Heppner]()
A.I. Armada by Vaughn Heppner
8 ratingsYears ago, Main 54’s brain-core had to flee his exploding planet-sized warship because of the treachery of Jon Hawkins. Later, Main 54 gained special processors, a new warship—something changed in him…greater clarity of purpose and superior combat skills.He has been taking over the AI Dominion around here ever since...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Conquest by Toby Neighbors]()
Conquest by Toby Neighbors
8 ratingsThings are dire for the survivors on Leonis BThe Orrkasi army is focused on only one thing…Finding and killing Staff Sergeant Eli Vanhorn.Since being stranded on the planet Leonis B, Staff Sergeant Eli “Van” Vanhorn has worked tirelessly to protect the people he cares about. But his attacks on the Orrkasi aliens who are working to exploit the planet’s resources have forced his hand...Categorized as:
aliens exploration first-contact galactic-empire military soldiers space-fleet space-travel -
-
![A Fiery Sunset by Chris Kennedy, Mark Wandrey]()
A Fiery Sunset by Chris Kennedy, Mark Wandrey
8 ratingsThe Revelations are over, and the war to end all wars has begun. The plot by the Galactic Union’s Mercenary Guild against the Four Horsemen has culminated in an invasion of Earth. Faced with an overwhelming force, the Human mercs had no choice. They’ve fled, leaving Sansar Enkh to go to the Mercenary Guild headquarters on Capital Planet to stand trial for humanity...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion literary-fiction military -
![Valerie’s Elites: Age of Expansion by Justin Sloan, P.T. Hylton]()
Valerie’s Elites: Age of Expansion by Justin Sloan, P.T. Hylton
8 ratingsFighting for her life in a Deathmatch is the perfect cover.It started as a simple intel mission. Then it turned sideways. Valerie goes off mission, trusting her gut and wits more than her physical abilities to get on the inside, to help bring justice to the slaves and the downtrodden. She is, after all, the Justice Enforcer...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Armageddon by Rick Partlow]()
Armageddon by Rick Partlow
8 ratingsBook 4 in the next explosive series from the #1 Amazon Bestselling author of Contact Front, Rick Partlow...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![A.I. Battle Fleet by Vaughn Heppner]()
A.I. Battle Fleet by Vaughn Heppner
10 ratingsIn a desperate fight, we captured one of the machine empire’s factory planets. Can we now defeat an interstellar superpower that has exterminated thousands of sentient races across the galaxy and slaughtered billions of us in the Solar System? Not bloody likely, but Captain Jon Hawkins is on a mission...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![A.I. Void Ship by Vaughn Heppner]()
A.I. Void Ship by Vaughn Heppner
10 ratingsThrough desperate tactics and by deliberately keeping a low profile, we survived the machine assaults longer than any human or cybership thought possible. But now our luck has deserted us. The main A.I. brain-core has just given human extinction top priority. The robots are massing an armada to exterminate us...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Fire Base by Rick Partlow]()
Fire Base by Rick Partlow
10 ratingsDeath stalks the edges of human space.Cam Alvarez and Vicky Sandoval have pursued the renegade, Tahni Zan-Thint, to his refuge in the outlaw cartels of the Pirate Worlds. On a planet of endless ocean and volcanic fury, Zan-Thint is coming ever closer to learning the secrets of the ancient alien weapons he’s discovered...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![The Golden Horde by Chris Kennedy]()
The Golden Horde by Chris Kennedy
10 ratingsThe slaughter is on! Across the galaxy, Human mercenaries are being ambushed, and an ever-increasing number of companies aren’t returning from their contracts. Someone even appears to be plotting the demise of the premier Four Horsemen companies, and disaster for the other three companies has only been averted by the narrowest of margins...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion literary-fiction military -
![Shadows of the Fall by Glynn Stewart]()
Shadows of the Fall by Glynn Stewart
10 ratingsFifty thousand years ago, the Precursors broke the universe. Now great powers and small alike fight over their wreckage. But in the midst of the chaos, there is a question no one asks… Why?Morgan Casimir, commander of the A!Tol Imperial cruiser Defiant, has seen the works of the Precursor aliens known as the Alava. She has seen their accidents threaten worlds and consume entire star fleets...Categorized as:
aliens exploration first-contact galactic-empire invasion military soldiers space-fleet -
![Eyes of Tomorrow by Glynn Stewart]()
Eyes of Tomorrow by Glynn Stewart
10 ratingsAn ancient power unleashed from its prison.Fleets summoned by oaths old and new alike.A rising tide of war that may consume the galaxy!Captain Morgan Casimir’s mission to stop a war has ended in a nightmare. In the heart of an ignored nebula, trapped behind a ring of newborn stars, she has awoken a creature of another time: the horde of biological starships who call themselves the Infinite...Categorized as:
aliens exploration first-contact galactic-empire invasion military soldiers space-fleet -
![Survivors by Toby Neighbors]()
Survivors by Toby Neighbors
10 ratingsNothing in the Corps is guaranteed!Staff Sergeant Eli Vanhorn isn’t the man he used to be. Once a proud member of the Fleet Marine Corps’ elite Terrestrial Advance Combat teams, the battle on colony planet Luyten C left him broken and scarred. But after a year of surgeries and physical therapy, he’s ready to complete his enlistment as Master of Arms on the exploration vessel Rihla...Categorized as:
aliens colonization exploration galactic-empire military soldiers space-fleet space-travel -
-
![Winged Hussars by Mark Wandrey]()
Winged Hussars by Mark Wandrey
10 ratingsFor more than a century, Winged Hussars has been the richest of Earth's mercenary companies, as well as the only one to specialize in space warfare. Led by Alexis Cromwell, they have carved out a reputation in the galaxy for being dependable, unflappable, and lethally efficient. Until people began shooting at them everywhere they went...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion literary-fiction military -
![Galactar by Anthony James]()
Galactar by Anthony James
10 ratingsFollowing 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 soldiers space-fleet space-travel -
![Fulcrum Gun by Anthony James]()
Fulcrum Gun by Anthony James
10 ratingsLost 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 soldiers space-fleet space-travel -
![Winds of Vengeance by Jay Allan]()
Winds of Vengeance by Jay Allan
10 ratingsEarth Two. A new home for the survivors of the fleet, the men and women who battled against seemingly insurmountable odds to survive the assault of the First Imperium and to destroy the homicidal Regent, the artificial intelligence committed to their destruction...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Laws of Ancidium by Anthony James]()
Laws of Ancidium by Anthony James
10 ratingsHaving 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 soldiers space-fleet space-travel -
![The Dark Invaders by Raymond L. Weil]()
The Dark Invaders by Raymond L. Weil
10 ratingsFrom 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:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Delphi Embassy by Bob Blanton]()
Delphi Embassy by Bob Blanton
12 ratingsAfter the Delphi League defeats the Fazullan invasion of Onisiwo, Catie is tasked with managing the Onisiwoen transition to the Delphi League as well as the repatriation of all the slaves from the Fazullan fleet. She has to navigate the complex diplomatic circles as different interests complete for advantage in the new age of interstellar trade...Categorized as:
aliens colonization exploration first-contact invasion military space-fleet space-travel -
![Genesis by Rick Partlow]()
Genesis by Rick Partlow
12 ratingsFirst contact gone wrong...It was every starship captain’s nightmare, and for Travis Miller, it was his own personal hell. He’d done everything by the book, but when the Tahni had attacked him and his crew, there was no choice but to return fire and destroy the first alien vessel humans had ever encountered...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Relics of Eternity by Glynn Stewart]()
Relics of Eternity by Glynn Stewart
12 ratingsThe 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 soldiers space-fleet -
![Fracture by Ken Lozito, Scott Aiello]()
Fracture by Ken Lozito, Scott Aiello
12 ratingsColonel 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:
aliens colonization exploration first-contact invasion military soldiers space-fleet -
-
![The Lost Star Gate by Vaughn Heppner, Mark Boyett]()
The Lost Star Gate by Vaughn Heppner, Mark Boyett
12 ratingsThe Swarm is coming!This time, enemy science vessels study us as Hive Masters gather hundreds of thousands of starships for an avalanche invasion.Instead of facing massed bug fleets in hopeless battle, we have a desperate plan: use a Builder nexus, create a hyper-spatial tube and send suicide-ships thousands of light-years into Swarm territory...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![Orion Fleet by B.V. Larson]()
Orion Fleet by B.V. Larson
14 ratingsWhat enemy could be more terrifying than a soulless, alien machine? A year ago the Kher Empire was forced to retreat, but they were not beaten. In ORION FLEET they return with a new weapon. A huge ship driven by AI begins methodically grinding inhabited worlds to dust. This unstoppable enemy is without fear or remorse, and the Rebels begin a desperate battle just to slow its advance...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Blood World by B.V. Larson]()
Blood World by B.V. Larson
16 ratingsA dirty deal was struck. Humanity was allowed to keep three hundred rebellious worlds. In return, we declared war on a powerful enemy from beyond the frontier. A frantic build-up of forces has begun, but the task is hopeless. Seeking allies, Earth’s legions are sent to BLOOD WORLD. A planet on the fringe of known space, where the people only respect masters of combat...Categorized as:
aliens colonization exploration first-contact galactic-empire invasion military soldiers -
![Star Force: First Contact Fallout by Aer-ki Jyr]()
Star Force: First Contact Fallout by Aer-ki Jyr
6 ratingsEldorat's attack and death in Itaru have affected the flow of galactic events in a way no one anticipated, and the fallout from that first contact is now crushing both the V'kit'no'sat and the Zak'de'ron all the while the Hadarak begin to encroach on their territory with little resistance...Categorized as:
aliens colonization first-contact galactic-empire invasion military soldiers space-fleet -
![Star Force: The Forever Empire by Aer-ki Jyr]()
Star Force: The Forever Empire by Aer-ki Jyr
6 ratingsJust when you think you've got all your problems in front of you, trouble comes knocking at the back door...galactic style...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet -
![Star Force: Symbiosis by Aer-ki Jyr]()
Star Force: Symbiosis by Aer-ki Jyr
6 ratingsWith the long-anticipated arrival of the Founders in the Temples, Star Force's future will change drastically, one way or another. The time of anonymity is ended. Extra-galactic contact has finally arrived...Categorized as:
aliens colonization exploration galactic-empire invasion military soldiers space-fleet
Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.
