Books like 'The Crystal Variation'
Readers who enjoyed The Crystal Variation by Sharon Lee & Steve Miller 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 paranormal military ai
-
A Hop, Skip and a Jump by Mackey Chandler
Rated: 4.50 of 5 stars · 10 ratingsLee has a lot going for her, tons of money, true friends who will stand by her, an unexpected bonus of extended life from advanced medial treatments, and a start at unraveling some of the pesky secrets in the stars. But there is so much to do to take advantage of all these opportunities that she's overwhelmed. Keeping all they've gained may not be easy... -
![Rescue The Princess by John Hindmarsh]()
Rescue The Princess by John Hindmarsh
Rated: 4.42 of 5 stars · 12 ratingsJack suffered from an attack by the Blue Caps. He sued the RSN and won. He also sued the Royal Family and won. Now he’s acquired his own warship and his first mission is to rescue the princess.What? Yes, Sofia is missing. The Queen has taken an intense dislike to her daughter’s ambitions and Sofia has disappeared. Jack sets out to rescue her with the assistance of Black Company marines... -
![Distant Horizon by J.N. Chaney, Terry Maggert]()
Distant Horizon by J.N. Chaney, Terry Maggert
Rated: 4.56 of 5 stars · 18 ratingsThe Universe is a bloody mess. Time to put on your cleaning gloves.During a routine arrest, Van discovers a stolen spacecraft, its importance far greater than it first appears. Fast, sleek, and beautiful, the ship is a cultural relic from Linulla’s people, and returning their property will set off a chain of events that reveals a new adversary... -
![Delphi Alliance by Bob Blanton]()
Delphi Alliance by Bob Blanton
Rated: 4.44 of 5 stars · 24 ratingsThe McCormacks have their floating city growing in the South Pacific, and their space station well underway. As they continue their quest to unite Earth and bring her into the modern age of space travel and repair her environment before it’s too late, they have to fight with the major powers that aren’t too sure they want to change the status quo... -
-
![Vorkosigan's Game: The Vor Game \ Borders of Infinity by Lois McMaster Bujold]()
Vorkosigan's Game: The Vor Game \ Borders of Infinity by Lois McMaster Bujold
Rated: 4.36 of 5 stars · 14 ratingsOmnibus of The Vor Game and the novella "Borders of Infinity"... -
![A Call to Insurrection by David Weber, Timothy Zahn]()
A Call to Insurrection by David Weber, Timothy Zahn
Rated: 4.50 of 5 stars · 8 ratingsYesterday, the Star Kingdom of Manticore was a small, unimportant interstellar backwater. A quiet little star nation, only recently recovered from the devastating blow of the Plague Years. More affluent than some, perhaps, but with little to attract trade or interstellar commerce, it had little need for a navy . . . and even less interest in paying for one.But Manticore has now become a target... -
![Fallout by Craig Alanson, R.C. Bray]()
Fallout by Craig Alanson, R.C. Bray
Rated: 4.50 of 5 stars · 18 ratingsListening time 22 hours 29 minutesThe Expeditionary Force saga continues with Fallout, the eagerly awaited sequel to number one Audible-ranked and New York Times best-selling Breakaway, from an epic sci-fi writer at the top of his game. Join the millions of listeners who have enjoyed R.C... -
![Alliance by S.H. Jucha]()
Alliance by S.H. Jucha
Rated: 4.40 of 5 stars · 10 ratingsOlawale Wombo and a small contingent of Omnians are sent to assist Earth to uplift its technological prowess. With the aid of the incomparable SADEs, advanced tech is transferred to the Sol Enclave, the system’s governing body.After Sol’s construction of Tridents, Omnian-designed warships, Earthers possess the ability to transit quickly among the stars... -
![Renegades by Craig Alanson]()
Renegades by Craig Alanson
Rated: 4.32 of 5 stars · 30 ratingsThe battle-scarred star carrier Flying Dutchman is finally on her way back to Earth, after an exceptionally successful series of missions that have once again Saved The World. The ship needs a serious refit, and her exhausted crew just wants a break from constant clandestine warfare against a vicious and superior enemy. Wishes come true, right? Not for the Merry Band of Pirates... -
![Stowaway by Z.D. Dean]()
Stowaway by Z.D. Dean
Rated: 4.33 of 5 stars · 12 ratingsLt Zade, on his last days of his last deployment to Afghanistan, still couldn’t find the excitement he so desperately needed. A chance encounter, on his last mission, sends him hurtling through space on the Unity exploration ship XES01. Surrounded by aliens, Zade must quickly learn to interact with the non-soldiers on the crew... -
![Duty Calls: The adventure continues by James Haddock]()
Duty Calls: The adventure continues by James Haddock
Rated: 4.33 of 5 stars · 12 ratingsDuty Calls continues the story of Nic, Mal, Jazz and Jade as they fight to hold what belongs to them. The Corporations are becoming more aggressive in their effort to steal their inventions. Our four friends are matching the corporate's aggression blow for blow. The fight has already turned deadly, and the Corporation has shown they aren't afraid to spill blood... -
![Spinward Fringe Broadcast 8: Renegades by Randolph Lalonde]()
Spinward Fringe Broadcast 8: Renegades by Randolph Lalonde
Rated: 4.33 of 5 stars · 12 ratingsIt has been months since the Siege of Port Rush. The Warlord, under the command of Jacob Valent, has been travelling to ports across the sector to gather intelligence, capturing ships and cargo as they go. Manpower and funds are still in short supply, but the Captain is winning the support of the British Alliance, and his crew suspects he has a long term plan that will lead to bigger prizes... -
![Sting of the Mustard Mines by Barry J. Hutchison]()
Sting of the Mustard Mines by Barry J. Hutchison
Rated: 4.31 of 5 stars · 13 ratingsThe Space Team Universe has been changed forever!Having journeyed through time in order to restore peace to the galaxy, Cal Carver and Space Team are a little dismayed to find out they may have inadvertently made things even worse.Whoops... -
![Black Ops by Craig Alanson]()
Black Ops by Craig Alanson
Rated: 4.29 of 5 stars · 33 ratingsThe elite crew of the pirate ship UNS Flying Dutchman had a simple mission: determining whether the Thuranin are sending another starship to Earth. Along the way, they became sidetracked by securing a future for the UNEF troops on the planet Paradise. When asked whether Earth was now safe, their ancient alien AI responded 'Not so much'... now they have to deal with the consequences... -
-
![A Call to Vengeance by David Weber, Timothy Zahn]()
A Call to Vengeance by David Weber, Timothy Zahn
Rated: 4.29 of 5 stars · 14 ratingsAfter the disastrous attack on the Manticoran home system by forces unknown, the Royal Manticoran Navy stands on the brink of collapse... -
![A Call to Arms by David Weber, Timothy Zahn]()
A Call to Arms by David Weber, Timothy Zahn
Rated: 4.25 of 5 stars · 16 ratingsLieutenant Travis Long of the Royal Manticoran Navy is the sort of person who likes an orderly universe. One where people follow the rules. Unfortunately he lives in the real universe. The good news is that Travis is one of those rare people who may like rules but has a talent for thinking outside them when everything starts coming apart... -
![The Technician by Neal Asher]()
The Technician by Neal Asher
Rated: 4.25 of 5 stars · 16 ratingsThe Theocracy has been dead for 20 years, and the Polity rules on Masada. But the Tidy Squad consists of rebels who cannot accept the new order. Their hate for surviving theocrats is undiminished, and the iconic Jeremiah Tombs is at the top of their hitlist... -
![Sol by S.H. Jucha]()
Sol by S.H. Jucha
Rated: 4.35 of 5 stars · 24 ratingsSol’s warships paid the ultimate price for threatening the Haraken and New Terran worlds. Now, Haraken President Alex Racine and his Méridien partner, Renée de Guirnon, are engaged in a desperate gamble to stop a war between their worlds and United Earth’s (UE) massive forces before it starts... -
![Polity Agent by Neal Asher]()
Polity Agent by Neal Asher
Rated: 4.22 of 5 stars · 18 ratingsFrom eight hundred years in the future, a runcible gate is opened into the Polity and those coming through it have been sent specially to take the alien maker back to its home civilization in the Small Magellanic cloud. Once these refugees are safely through, the gate itself is rapidly shut downbecause something alien is pursuing them. The gate is then dumped into a nearby sun... -
![In Harm's Way by John Spearman]()
In Harm's Way by John Spearman
Rated: 4.43 of 5 stars · 7 ratingsThe continuing adventures of Captain Jonah Halberd, Royal Navy of the Interplanetary Commonwealth. Join Captain Halberd in the Commonwealth's fight against the Rodinan Federation. A thinker as well as a man of action, Halberd finds ways to improve his odds when he finds himself 'In Harm's Way...Categorized as:
military space-opera sci-fi space-fleet action-adventure violent-conflict space fiction -
![And What Goes Around by Mackey Chandler]()
And What Goes Around by Mackey Chandler
Rated: 4.38 of 5 stars · 8 ratingsThe nation of Home and their ally Central seems to have bought some safety by moving Mitsubishi 3 from Low Earth Orbit to a halo orbit around L2 beyond the moon. It has added expenses, but it has unexpected advantages too, when Earth has its own problems. A little extra distance works just fine... -
![Spinward Fringe Broadcast 9: Warpath by Randolph Lalonde]()
Spinward Fringe Broadcast 9: Warpath by Randolph Lalonde
Rated: 4.30 of 5 stars · 10 ratingsThe war is on! Conflict grips the Iron Head Nebula and the star system that Jake, Ayan, Minh-Chu and their loved ones call home. The Order of Eden, British Alliance and other organisations creeping in the shadows enter into an all-or-nothing conflict that will change the political shape of the galaxy for centuries while Freeground is forced to leave its home space in search of help and safety... -
![His Last Command by Dan Abnett]()
His Last Command by Dan Abnett
Rated: 4.26 of 5 stars · 24 ratingsReturning from a long mission on a Chaos world, Commissar Gaunt finds that his old regiment - nicknamed Gaunt's Ghosts - has been disbanded and redeployed under a new commander. But when the fighting becomes bitter, Gaunt is finally reunited with his men as the Imperial forces make one last attempt to hold the line against the invaders... -
![Mavericks by Craig Alanson]()
Mavericks by Craig Alanson
Rated: 4.19 of 5 stars · 34 ratingsThe remnants of the Expeditionary Force stranded on the alien-controlled planet 'Paradise' get a chance to prove themselves, in a simple off-world training mission with a ship full of teenage alien cadets. When the mission goes horribly wrong and the survival of everyone on Paradise is at risk, the Merry Band of Pirates may have to come to the rescue. Unless they get killed first.. -
-
![Imperial Twilight by Eric Thomson]()
Imperial Twilight by Eric Thomson
Rated: 4.33 of 5 stars · 6 ratingsThe most powerful empire in human history is rushing headlong toward destruction, ending our species' supremacy in the known galaxy.Two men with widely divergent visions are on a mission to save civilization in at least one sector, far from the imperial capital where a demented ruler holds sway... -
![Trident Fury by Richard Turner]()
Trident Fury by Richard Turner
Rated: 4.33 of 5 stars · 6 ratingsCaptain Michael Sheridan and Master Sergeant Alan Cole are back. This time the stakes couldn't be higher. When word of a brutal Kurgan prison planet reaches Earth, the men and women of the Sixth Fleet are sent into action. From a smuggler's hideout, to a prehistoric planet to a deadly fight with the dreaded Kurgan Imperial Guard, the struggle to survive continues... -
![Karadon by S.J. MacDonald]()
Karadon by S.J. MacDonald
Rated: 4.33 of 5 stars · 6 ratingsSkipper Alex von Strada has a new ship and a new mission. His task is to clean up the infamous deep space station ISiS Karadon. ISiS Corps Director Belassa Torres is determined to defend the station’s independence. Caught between them, manager Chokran Dayfield will find his sanity and even his life on the edge... -
![He Who Dares: Book Two by Rob Buckman]()
He Who Dares: Book Two by Rob Buckman
Rated: 4.33 of 5 stars · 6 ratingsFor Mike Gray, his life continues to be series of mysteries and unanswered question. Even the man who raised him, his paternal grandfather, was a question mark. Beyond the love, understanding, and nurturing lay the unanswered question of why a disgraced ex-Royal Naval Admiral would pulled himself out of a bottle and take upon himself to bring a one year old child home as raise him as his own... -
![Infinity's End by Eric Warren]()
Infinity's End by Eric Warren
Rated: 4.33 of 5 stars · 6 ratingsLet the End...Try the Man.Battle lines have been drawn, and forces have been gathered. But are Cas, Evie and the rest of the crew of the USCS Tempest ready to engage the deadliest enemy they've ever had to face? The Athru came into Coalition space, wiped out humanity and disassembled the once-great galactic empire piece by piece... -
![Reprieve by C.R. Daems]()
Reprieve by C.R. Daems
Rated: 4.33 of 5 stars · 6 ratingsYou have glioblastoma, an incurable brain cancer, and have less than a month to live...Categorized as:
military space-opera sci-fi fiction war action-adventure space-fleet violent-conflict -
![Bound by Honor by Glynn Stewart, Terry Mixon]()
Bound by Honor by Glynn Stewart, Terry Mixon
Rated: 4.41 of 5 stars · 13 ratingsAn enemy of newfound strengthA friend gone missing in the nightA threat that can be ignored no moreBrad Madrid, Commodore of the Vikings Mercenary Company, has once again been drawn into the war against the resurgent Cadre. Called into action in battles across the Solar System, from the fogs of Venus to the ice fields of Ceres, he faces deadly enemies at every turn... -
![Flight of Freedom by Jeffrey Burger]()
Flight of Freedom by Jeffrey Burger
Rated: 4.25 of 5 stars · 8 ratings"All that is necessary for the triumph of evil is that good men do nothing." Edmond Burke...The adventure continues - with one major difference: Jack Steele's Freedom is no longer the wounded duck she once was. They leave UFW Blackmount Station repaired and retooled, with a complete crew, fully armed and resupplied, ready to hunt... -
![The Silent Warrior by L.E. Modesitt Jr.]()
The Silent Warrior by L.E. Modesitt Jr.
Rated: 4.22 of 5 stars · 9 ratingsThousands of years in the future, Earth is a desolate ruin. The first human ship to return in millennia discovers an abandoned wasteland inhabited only by a few degenerate or mutated human outcasts... -
![I Was Legion by Evan Currie]()
I Was Legion by Evan Currie
Rated: 4.20 of 5 stars · 10 ratingsEarth is not the cradle of humanity. It is the Throne.Almost four hundred years the Terran Imperium has languished, an Empire in name only. The young colonies exploded out of the Diaspora Era, supplanting the homeworld in importance as they left a broken world in their wake. Earth's people, guided by the Conwin line, have clawed and climbed from the darkness left the night the lights went out... -
-
![First of My Kind by Marc Stevens]()
First of My Kind by Marc Stevens
Rated: 4.17 of 5 stars · 12 ratingsFirst of my Kind is the story of Nathan Myers, a Missouri farm boy who through a chain of events that happens halfway across the galaxy, finds his way from the seat of his Grandfather's tractor to the command of a starship from a lost super race. Nathan will tell you in his own words about the life and death struggles he encounters on his journey... -
![Trouble on Paradise by Craig Alanson]()
Trouble on Paradise by Craig Alanson
Rated: 4.11 of 5 stars · 19 ratingsBook '3.5' in the ExForce series: While the crew of the UN Expeditionary Force's pirate starship Flying Dutchman are enjoying a luxury vacation cruise (not!), UNEF troops are still stranded on an alien-controlled planet. Major Emily Perkins and her team are busy picking up the pieces, and it's not easy, because there is trouble on Paradise.. -
![A Liaden Universe Constellation: Volume 2 by Sharon Lee, Steve Miller]()
A Liaden Universe Constellation: Volume 2 by Sharon Lee, Steve Miller
Rated: 4.44 of 5 stars · 10 ratingsBOOK 2 in The First Liaden Universe ® Collection. Seventeen short tales of the Liaden Universe® were brought together for the first time. Space opera and romance on a grand scale in a galaxy full of interstellar trading clans... -
![Halo: Evolutions - Essential Tales of the Halo Universe by Frank O'Connor, Tobias S. Buckell]()
Halo: Evolutions - Essential Tales of the Halo Universe by Frank O'Connor, Tobias S. Buckell
Rated: 4.16 of 5 stars · 27 ratingsWhen humanity expanded beyond the safety of Earth to new stars and horizons, they never dreamed what dangers they would encounter there. When the alien juggernaut known as the Covenant declared holy war upon the fragile human empire, millions of lives were lost—but, millions of heroes rose to the challenge... -
![Artifice: Book Two of the Prison Ship Sheol Saga by Nicholas Gaumer]()
Artifice: Book Two of the Prison Ship Sheol Saga by Nicholas Gaumer
Rated: 4.50 of 5 stars · 8 ratingsThe Bedlam Galaxy lies at the heart of the Laniakea Supercluster and is a focal point for all of the wormhole transits spanning that great expanse. Among the many races drawn to and inhabiting its 10,000+ stars, humanity is one of the most recent and longest anticipated additions... -
![Admiral's Challenge by Luke Sky Wachter, Caleb Wachter]()
Admiral's Challenge by Luke Sky Wachter, Caleb Wachter
Rated: 4.17 of 5 stars · 6 ratingsBook Eight of Eight in the Spineward Sectors Series: Admiral Challenge After nonstop fleet actions against pirates, Bugs, and Droids, the intrepid officers and crew of the Multi-Sector Patrol Fleet are headed home for a much-deserved—and much-needed—R&R Or so they thought With an ever-growing shadow looming across Sectors 24 & 25, a certain Lady due to make more than a few... -
![Admiral Invincible by Luke Sky Wachter, Caleb Wachter]()
Admiral Invincible by Luke Sky Wachter, Caleb Wachter
Rated: 4.17 of 5 stars · 6 ratingsAnother day, another set of problems for the Spineward Sectors’ youngest Admiral. Fresh off the battle of Aqua Nova, Admiral Montagne & Co. find themselves navigating uncharted waters, surrounded by ‘allies’ who seemingly have little interest in the Multi-Sector Patrol Fleet — or the safety of its people... -
![Admiral's War Part One by Luke Sky Wachter, Caleb Wachter]()
Admiral's War Part One by Luke Sky Wachter, Caleb Wachter
Rated: 4.17 of 5 stars · 6 ratingsBook 9 in the Spineward Sectors Series: Admiral’s War, Part 1 After suppressing a Tracto-an uprising which would have destroyed everything they have worked to build, Vice Admiral Jason Montagne and Co... -
![Twist of Faith: Star Trek by S.D. Perry, Keith R.A. DeCandido]()
Twist of Faith: Star Trek by S.D. Perry, Keith R.A. DeCandido
Rated: 4.17 of 5 stars · 6 ratingsUneasy Peace. Worlds In Flux. Tests Of Faith.The Final Episode Was Only The Beginning.The Dominion War is over...or is it? Three months after the Allied victory against the invaders from the Gamma Quadrant, a surprise attack awakens the fear of renewed hostilities. At the same time, a senseless murder sets a space station commander on a path that will test the limits of her faith..Categorized as:
military paranormal space-opera 21st-century action-adventure adult aliens anthologies -
![The Gilded Cage by Blaze Ward]()
The Gilded Cage by Blaze Ward
Rated: 4.17 of 5 stars · 6 ratingsJavier still tinkers with his machines, and tends his gardens and his chicken, despite being a slave, held by pirates. Who are just starting to realize how important the Science Officer is becoming. When Wilhelmina returns, with news that the ship's Dragoon, Djamila Sykora has been kidnapped, all bets are off regarding who survives. And who doesn't... -
-
![Admiral's Spine by Luke Sky Wachter, Caleb Wachter]()
Admiral's Spine by Luke Sky Wachter, Caleb Wachter
Rated: 4.17 of 5 stars · 6 ratingsHaving defeated his enemies in Sector 25 and crushed the pirates in the Battle of Tracto, Admiral Jason Montagne of the Multi-Sector Patrol Fleet was ready - and even eager - to settle down to the task of rebuilding his fleet and consolidating his position within his home Sector. Unfortunately, there’s no time to rest on his laurels... -
![First Light Chronicles Freeground by Randolph Lalonde]()
First Light Chronicles Freeground by Randolph Lalonde
Rated: 4.17 of 5 stars · 6 ratingsThe first book in the First Light Chronicles Series. Large enough to support an entire civilization, one of the last free ports all alone in the dark, Freeground Station is about to come under siege... -
![Eden by Phillip Richards]()
Eden by Phillip Richards
Rated: 4.17 of 5 stars · 6 ratingsEden's beauty was testament to a centuries-old dream to turn a barren, rocky world into a paradise where mankind could live in peace. But Eden wasn't paradise. Torn apart by decades of colonial rivalry, the provinces were deeply divided, and as two rogue provinces begin yet another bitter fight, the Union is forced to step in before they go too far, causing the entire planet to descend into war... -
![Progeny by Dan Worth]()
Progeny by Dan Worth
Rated: 4.17 of 5 stars · 6 ratingsThe Commonwealth stands on the brink. As war engulfs the worlds of man, the Shapers are poised to strike at the very heart of human civilisation. The men and women of the Commonwealth Navy now find themselves at the forefront of a desperate battle for the very survival of the species against an enemy whose weapons and technology far exceed their own... -
![Colossus by Richard Turner]()
Colossus by Richard Turner
Rated: 4.17 of 5 stars · 6 ratingsNewly promoted Captain Michael Sheridan finds himself leading a company of untried Marines against their enemy, the Kurgans, dug in on Illum Prime. Fighting for survival, Sheridan and his mentor, Master Sergeant Alan Cole, must do all they can to keep their people alive not only from the Kurgans but from traitors hidden in plain sight... -
![Forges of Mars Omnibus by Graham McNeill]()
Forges of Mars Omnibus by Graham McNeill
Rated: 4.17 of 5 stars · 6 ratingsOmnibus edition of all three novels in the Forges of Mars trilogy - Priests of Mars, Lords of Mars and Gods of Mars - as well as an additional short story...
Or - use our amazing romance book finder to get recommendations based on your favorite content tropes and themes. Mix and match at will.
