Books like 'Catalyst'
Readers who enjoyed Catalyst by J.M. Madden also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
futuristic science fiction fantasy suspense military
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Tyler by Nyssa Kathryn
Rated: 4.56 of 5 stars · 17 ratingsSometimes, the biggest secrets can bring both salvation and destruction.Emerson Charles grew up luckier than most, going from a difficult life to finding safety and a true home with her stepmother and stepbrother. Years later, when Levi’s in trouble, Emerson will do anything for the brother of her heart, her greatest protector... -
![Oliver by Nyssa Kathryn]()
Oliver by Nyssa Kathryn
Rated: 4.78 of 5 stars · 11 ratingsShe may have forgotten her past, but her past hasn’t forgotten her…Tori Blake arrives in Marble Falls with nothing. Nothing but a note in her hand and cash in her pocket. She doesn’t know if those two things will be enough to get her the help she needs. She doesn’t know if they’ll lead her to the past she can’t remember.What she does know is that someone is trying to kill her... -
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![Jason by Nyssa Kathryn]()
Jason by Nyssa Kathryn
Rated: 4.62 of 5 stars · 12 ratingsDanger throws them together. Attraction keeps them from parting.Having lost her best friend, Courtney Warren lives every day like it’s her last. Because if life has taught her anything, it’s that some are cut far too short without warning. So when sexy former soldier Jason moves to Cradle Mountain, she shouldn't hesitate to express her immediate interest... -
![Wyatt by Nyssa Kathryn]()
Wyatt by Nyssa Kathryn
Rated: 4.78 of 5 stars · 9 ratingsA story that could cost her everything…Investigative journalist Quinn Ross isn’t a woman who can just let major news pass her by. So, when she stumbles across a story like no other, she makes it her mission to report it to the masses.She doesn’t count on the lengths to which some may go to keep her story from seeing the light of day... -
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![The Short Victorious War by David Weber]()
The Short Victorious War by David Weber
The proles are revolting. The families who rule the People's Republic of Haven are in trouble. The treasury's empty, the Proles are restless, and civil war is imminent. But the ruling class knows what they need to keep in power; another short, victorious war to unite the people and fill the treasury once more... -
![B Free by Cynthia Sax]()
B Free by Cynthia Sax
Rated: 4.71 of 5 stars · 7 ratingsB is the last remaining B Model cyborg. All of his brethren, the beings he trained with, fought with, cared deeply for, have perished.Or so he believes.When he intercepts a communication mentioning the existence of one of his kind, he has to investigate the source. The message could be a trap set by his enemies...Categorized as:
military science fiction futuristic fantasy superheroes non-human-hero length-short m-f -
![Return to Dark Earth by Anna Hackett]()
Return to Dark Earth by Anna Hackett
Rated: 4.50 of 5 stars · 10 ratingsBook Seven of the award-winning series, THE PHOENIX ADVENTURES. His career plan never included becoming one of the galaxy's most infamous treasure hunters. And it certainly never included his one weakness: Nera Darc. Astro-archeologist Niklas Phoenix loved his job studying and safeguarding artifacts at the Institute of Historical Preservation...until he learned that it was all a lie... -
![Alien Mercenary's Heart by Mina Carter]()
Alien Mercenary's Heart by Mina Carter
Return to the worlds of the Lathar, as you've never seen them before... She wanted a coffee and an easy shift. Instead, she got a smart-alec mercenary and commandos trying to kill her… Medically discharged from the military over a decade ago, Station Chief Eris Archer just wants a quiet life. But life on a frontier station like Tarantus is never dull... -
![Seizing Power by Cynthia Sax]()
Seizing Power by Cynthia Sax
Rated: 4.57 of 5 stars · 7 ratingsThis cyborg believes he’s in control.Power is the self-appointed leader of the cyborg council. Other members might debate situations. He makes the ultimate decisions.When a threat to the Homeland is revealed, he takes command of a fleet and ventures to the edge of cyborg-controlled space to investigate. He finds a rebellion led by a mysterious upstart he calls Cadet...Categorized as:
military suspense science fiction fantasy futuristic age difference war from hate to love -
![Bolt: Bolt Saga: Volume One: Parts 1, 2 & 3 by Angel Payne]()
Bolt: Bolt Saga: Volume One: Parts 1, 2 & 3 by Angel Payne
Rated: 4.50 of 5 stars · 8 ratingsWorking the night shift at one of Downtown LA’s hottest hotels, Emmalina Crist has had her fair share of strange encounters—but none of them have prepared her for meeting Reece Richards, the charismatic bad boy of the Richards Resorts dynasty... -
![Jingled by Tana Stone]()
Jingled by Tana Stone
Rated: 4.50 of 5 stars · 8 ratingsNaughty or nice? For the women abducted from Earth and claimed as tribute brides for the Drexian warriors, being on the naughty list isn’t so bad. Not when being naughty is so tempting. It’s Christmas on the Drexian space station, and the abducted Earth women are in the mood for some holiday fun... -
![Smolder Road by Toby Neal, Emily Kimelman]()
Smolder Road by Toby Neal, Emily Kimelman
Rated: 4.50 of 5 stars · 8 ratingsOne thing is clear to Lucy Luciano: she and enigmatic survivalist Roan Winters are meant to be together.He disagrees.Life at the Haven survival compound is frustrating for the youngest and only girl of the Luciano clan. In a world torn apart by pandemic and fraught with danger, Lucy struggles to find her role...Categorized as:
military suspense multicultural science fiction dystopian fantasy futuristic length-short -
![Logan by Nyssa Kathryn]()
Logan by Nyssa Kathryn
Her scars are invisible, to everyone but him.Grace Castle lived through hell, and she’s never fully recovered. Nor may she ever. But she’s better than she was, and now devotes her time and energy to helping other women…until someone connects her old life to her new one. Suddenly, she’s forced to do something that goes against her conscience, her moral compass…her heart...Categorized as:
suspense military futuristic science fiction fantasy tortured hero contemporary tortured heroine -
![Before The Dawn by Lindsey Fairleigh, Lindsey Pogue]()
Before The Dawn by Lindsey Fairleigh, Lindsey Pogue
Rated: 4.28 of 5 stars · 12 ratingsTHE FOURTH AND FINAL BOOK IN THE ENDING SERIES. A year ago, the Virus killed off most people in the world. A year ago, strange things started happening to those who survived. Some of them transformed into something dark and sinister, while others evolved, becoming something more, something beyond human. A year ago, Dani and Zoe were lost... -
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![Throne of Novoxos by Tyler Chase]()
Throne of Novoxos by Tyler Chase
Rated: 4.38 of 5 stars · 8 ratingsThe brave warrior, Prince Comron Van Laven, lays at death’s door after a near fatal transport crash. His life is in the hands of his mortal enemy who does the unthinkable…she saves him…in so many ways. Together the two must battle for survival against the harsh elements, deadly assassins and vicious animal attacks. But that’s only the beginning of their struggles... -
![Girl From Above: Trapped by Pippa DaCosta]()
Girl From Above: Trapped by Pippa DaCosta
Rated: 4.38 of 5 stars · 8 ratings"When are you going to stop running, Caleb?" Taking the synth to the casino capital of the nine systems seemed like a great idea at the time, but as Caleb Shepperd's many enemies close in, he only has one way out. He must betray #1001. Caleb can't make the same mistake twice. Can he? #1001 has a price on her head. The Fenrir Nine and Chitec will stop at nothing to secure her secrets... -
![Demons Don't Date by Hannah Walker]()
Demons Don't Date by Hannah Walker
Rated: 4.38 of 5 stars · 8 ratingsCommander Bo’saverin Hevalis, head of the Cobalts, is trying to recover from the injuries he sustained in battle. The enforced downtime is giving him too much time to think, torture for a man of action. The trouble in their sector is weighing heavily on his mind as it seems to be getting ever closer to the demon homeworld... -
![Bell's Beloved by Hannah Walker]()
Bell's Beloved by Hannah Walker
Rated: 4.38 of 5 stars · 8 ratingsBellan ‘Bell’ Nimeri loved Niko Dastria with all his heart. Knowing Niko was his lifemate from the moment he set eyes on him was bittersweet. Surrounded by unknown threats, becoming more than friends wasn't an option. Besides, he didn't think Niko had the same feelings as he did. What’s more, Niko would need to accept both sides of Bell’s shifter personality, as he and his darintha are a team... -
![Hunted by the Alien Pirate by Celia Kyle, Athena Storm]()
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![Baring Grudge by Cynthia Sax, Amanda Kelsey]()
Baring Grudge by Cynthia Sax, Amanda Kelsey
Rated: 4.60 of 5 stars · 5 ratingsNo one in the universe is more determined than a cyborg warrior tracking his female.***Grudge, a C Model cyborg, has been assigned a mission – safeguard a Humanoid Alliance space station for his kind. Honor was once all he had, and he is determined to fulfill his duty... -
![Pride by Lana Pecherczyk]()
Pride by Lana Pecherczyk
Genius. Billionaire. Arrogant. Vigilante. Liar. There are many words to describe Parker Lazarus. Some call him stubborn. Some call him impossible. Some call him a liar. He doesn’t care what anyone calls him, as long as he fulfills his destiny to rid the world of the fanatical Syndicate and leads his family to victory. Of his seven siblings, six have found their lifemate... -
![Raw Desires by Cynthia Sax]()
Raw Desires by Cynthia Sax
Rated: 4.60 of 5 stars · 5 ratingsHis human female is attempting to kill him.This cyborg finds that adorable.***Raw, a K model cyborg, is one of the lucky warriors to have located his genetic match. He hears his human female’s voice over the communication lines and immediately processes she is his.Winning her affections will be a greater challenge. Battle has always been Raw’s focus... -
![Rangers at Roadsend by Jane Fletcher]()
Rangers at Roadsend by Jane Fletcher
Rated: 4.20 of 5 stars · 11 ratingsSergeant Chip Coppelli escaped the manipulative plots of her powerful family by becoming a soldier. After 9 years in the elite Rangers, dealing with thugs and wild predators, she has learned to spot trouble coming, and that is exactly what she sees in the mystery surrounding her new recruit, Katryn Nagata. But even so, Chip was not expecting murder... -
![Chosen by the Vikens by Grace Goodwin]()
Chosen by the Vikens by Grace Goodwin
Rated: 4.22 of 5 stars · 9 ratingsKayson, Geros and Mal are not hers. She is not theirs. So why does their every touch set her on fire? Why is it so easy to give in to the pleasure they provide? She must play along. Nothing is real. Every magical touch, every gasp, is just part of the mission. When she begs for more, it's all part of the plan.. -
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![Agent T3: d'Artagnan by Joni Hahn]()
Agent T3: d'Artagnan by Joni Hahn
Rated: 4.25 of 5 stars · 8 ratingsCredentials: • Rebel son of Former Navy SEAL • Trained under his father Enhancements: • Time Travel d’Artagnan (Dar) Naylor: trained by the best, disciplined by the toughest, and raised by the vilest - his father. He bought into Robert Naylor’s life of crime, until he learned the reasons behind it. Now, he possesses enhancements installed by The D.I.R.E...Categorized as:
military suspense fantasy superheroes science fiction futuristic betrayal length-short -
![Deep Shadows by Vannetta Chapman]()
Deep Shadows by Vannetta Chapman
Rated: 4.25 of 5 stars · 8 ratingsAll It Takes Is One Night to Plunge the World into Darkness Life in Abney, Texas, is predictable and safe—until the night a massive solar flare wipes out all modern technology. Shelby Sparks, novelist and single mom, had one goal: to provide for her diabetic son. In the wake of this global disaster, her mission hasn't changed... -
![Dax's Desire by Hannah Walker]()
Dax's Desire by Hannah Walker
Rated: 4.25 of 5 stars · 8 ratingsThe Avanti have made their way to Berinias, the capital and heart of Landran society. Not only is it King Kastain’s home ground, but it’s the seat of the Conclave's power. Dax finally gets to see Kastain in all his glory— regal, confident, powerful and downright sexy. As events unfold, Dax and Kastain realize everything happening with the Derin, with Martellon, Nestor and Teriva, is linked... -
![Lethal Intent by Cara C. Putman]()
Lethal Intent by Cara C. Putman
Rated: 4.25 of 5 stars · 8 ratingsWhen Caroline takes a job with a promising medical start-up, she believes she’s on the side of angels . . . until she’s asked to go too far.When the judge she’s clerked for dies, Caroline Bragg starts over as in-house counsel for a pharmaceutical start-up working on innovative adult stem cell research with the potential to save thousands of lives... -
![Charmed By The Alien Pirate by Celia Kyle]()
Charmed By The Alien Pirate by Celia Kyle
Rated: 4.25 of 5 stars · 8 ratingsOut in the fringes of known space, there’s one hope.He’s got golden skin, horns, and eyes that say he wants only me. I’m a greaser girl from Novaria. I know my way around an engine room.And I never got close to anyone. Much less a serious relationship.As for Swipt?The handsome alien pirate that rescued me says I’m his mate.Fated. Destined to be together.Kind of a big commitment... -
![Raging Storm by Vannetta Chapman]()
Raging Storm by Vannetta Chapman
Rated: 4.33 of 5 stars · 6 ratingsIn the Darkness, Anarchy Awakens When a massive solar flare wiped out all modern technology across the globe, the small town of Abney, Texas, was thrown into chaos. Shelby Sparks and her teenage son, Carter, have found refuge, but Shelby knows she can't simply remain hidden forever...Categorized as:
suspense fantasy science fiction dystopian christian futuristic contemporary length-medium -
![The Alien Commander's Baby: Sci-fi Alien Romance by Shea Malloy]()
The Alien Commander's Baby: Sci-fi Alien Romance by Shea Malloy
Rated: 4.40 of 5 stars · 5 ratingsIn search of me, I found you. Impulsive is Karen Landay's middle name. Sometimes there are perks to leaping first and asking questions later. Sometimes that leap can land you pregnant for a rude as hell alien commander. She should hate Kess Reihan. He's ungrateful, he's arrogant, and he's overbearing. He's exactly the sort of man she's hardened her heart against... -
![Warlord's Baby by Nancey Cummings, Starr Huntress]()
Warlord's Baby by Nancey Cummings, Starr Huntress
Rated: 4.40 of 5 stars · 5 ratingsWhat to expect when you’re expecting an alien’s baby. Mercy has been pregnant for-freaking-ever. She’s tired and grumpy and ready to get this kid out of her. Of course, being adored by her alien warlord husband is awesome but she hasn’t seen her feet in a month. And she can’t get over this sneaking suspicion that there’s something Paax isn’t telling her.. -
![Seized by the Alien Pirate: A Scifi Alien Romance by Celia Kyle, Athena Storm]()
Seized by the Alien Pirate: A Scifi Alien Romance by Celia Kyle, Athena Storm
Rated: 4.33 of 5 stars · 6 ratingsWar shaped him into a soldier. His love for me transformed him into a protector. Kintar has had a hard past. I can see it in his eyes. They speak of unbelievable loss and sadness. The life of a soldier. But his chiseled, muscled, alien body is more than a collection of his past. He towers over me and pushes reality from my view--until there is only him... -
![My Regelence Rake by J.L. Langley]()
My Regelence Rake by J.L. Langley
Rated: 4.02 of 5 stars · 24 ratingsBefore you find your prince, you have to kiss your share of rakes. Sci-Regency, Book 3 With his days occupied with duties as Captain of the Guard, and nights consumed with upholding his reputation as a rake, Lord Sebastian Hastings’s schedule is filled. There’s no extra time to be anyone’s bodyguard, but the royal family’s safety is a task he sees to personally...Categorized as:
suspense military science fiction friends to lovers mystery royalty futuristic regency -
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![Agent E2: Aidan by Joni Hahn]()
Agent E2: Aidan by Joni Hahn
Rated: 4.13 of 5 stars · 8 ratingsCredentials: • Second generation Former Navy SEAL • DIRE’s latest SEAL acquisition Enhancements: • Electrical Conductor Former Navy SEAL, Aidan Monroe, embraces risk. Show him a hint of danger – or a beautiful woman - and he’s all over it. The only commitments in his life: his new D.I.R.E. enhancements and finding his father’s killers. Cassandra Naylor, daughter of D.I.R.E... -
![UNIT 78: Rescued by Mina Carter, Evangeline Anderson]()
UNIT 78: Rescued by Mina Carter, Evangeline Anderson
Rated: 4.13 of 5 stars · 8 ratingsA cyborg soldier with one mission: To rescue an innocent girl from a vicious cult But in order to fulfill his duty, he must do the unthinkable. Can Rich and Kyrin find each other when they are lost in the Breeding Compound? Unit 78, formerly Corporal Richard Hardgraves, is a Cyborg with a mission: to rescue the Admiral's daughter from the dreaded Tr'Low Cult on Beacon 5... -
![The Morcai Battalion: The Recruit by Susan Kyle, Diana Palmer]()
The Morcai Battalion: The Recruit by Susan Kyle, Diana Palmer
Rated: 4.13 of 5 stars · 8 ratingsDiana Palmer's second installment in her thrilling space epic is a vast panorama of far-flung civilizations, interplanetary conflict and galaxy-spanning passion… THE MORCAI BATTALION: THE RECRUIT A prophecy foretold: Three years after the unprovoked attack on a peaceful colony, the war between the Rojok dynasty and the Tri-Galaxy Fleet rages on... -
![The Animal Under The Fur by E.J. Mellow]()
The Animal Under The Fur by E.J. Mellow
From award-winning author E. J. Mellow comes an action romance dripping with vengeful delight. Orphaned on the streets as a baby, Nashville Brown, a.k.a Kill Operative 3, knows better than to rely on anyone. With heightened senses and superhuman strength to survive, she’s been raised as the perfect assassin. The trick to her success? Keeping everyone, even her best friend, at arm’s length...Categorized as:
suspense fantasy superheroes science fiction new adult futuristic contemporary behind-doors -
![Through Uncharted Space by Anna Hackett]()
Through Uncharted Space by Anna Hackett
Rated: 4.14 of 5 stars · 7 ratingsA deep-space convoy master who demands everyone follow his rules...and the stowaway scam artist who’s never met a rule she wouldn’t break. Dare Phoenix runs his convoy with absolute control. In uncharted space, lives depend on it. When one plain, dowdy woman comes aboard, his gut tells him that something is off about her... -
![Agent M4: Riordan by Joni Hahn]()
Agent M4: Riordan by Joni Hahn
Rated: 4.17 of 5 stars · 6 ratingsCredentials: • Former D.I.R.E. Enemy Agent • Mongolian Prison Survivor Enhancement: • Magnetism Sent to a Mongolian prison against his will, former enemy agent Riordan St. James is suddenly back in civilization. With his hands crushed, and littered with scars, he trusts no one. When he accepts D.I.R.E... -
![Pirates by Ruby Lionsdrake]()
Pirates by Ruby Lionsdrake
Rated: 4.17 of 5 stars · 6 ratingsTamryn and Makkon must work together to fight off a new threat, one that threatens both of their peoples. ~ Frost Station Alpha is a science fiction romance published in six parts, with new episodes available each week. Kindle Unlimited subscribers may read the story in its entirety for free... -
![Edge of Eternity by Randy Alcorn]()
Edge of Eternity by Randy Alcorn
Rated: 4.01 of 5 stars · 20 ratingsImagine Being Pulled Into the Hereafter. While You’re Still Alive. A disillusioned business executive whose life has hit a dead-end, Nick Seagrave has lost loved ones to tragedy and his family to neglect. Now, at a point of great crisis, he unbelievably and inexplicably finds himself transported to what appears to be another world...Categorized as:
suspense science fiction christian mystery fantasy historical futuristic length-medium -
![Surviving the Wall by L.K. Magill]()
Surviving the Wall by L.K. Magill
She thought they were safe. She thought wrong.Hannah Linfield didn’t know who she was. Not really. But over the past nine months some of her memories had begun to return. Only… along with them, came more questions.Questions about her brother. Questions about her past.And it looked like both of those things were catching up to her. Which left Hannah torn... -
![The Radiant Seas by Catherine Asaro]()
The Radiant Seas by Catherine Asaro
Rated: 4.01 of 5 stars · 18 ratingsLiving in exile on a deserted planet, Sauscony and Jaibriol, each the heir to an interstellar empire, become entangled in the machinations of the Skolian Empire. Interstellar war erupts and Jaibriol is snatched away to be the unwilling ruler of the Highton Aristos. Sauscony must lead an invading space fleet to rescue him from his own Empire-without revealing that they are married... -
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![Oxygen by John B. Olson, Randy Ingermanson]()
Oxygen by John B. Olson, Randy Ingermanson
Rated: 3.99 of 5 stars · 10 ratingsTake a Deep Breath ... It Could Be Your Last Valkerie is tough, beautiful, and has an uncanny knack for survival. When NASA chooses her for the first mission to Mars, Valkerie is thrilled -- until she learns she's displacing America's heartthrob, celebrity astronaut Josh Bennett. Bob, the ship's mechanic, is paid to be paranoid -- and he's good at it... -
![Bone Music by Christopher Rice]()
Bone Music by Christopher Rice
Rated: 3.90 of 5 stars · 31 ratingsThere’s more than one way to stoke the flames of revenge… Charlotte Rowe spent the first seven years of her life in the hands of the only parents she knew—a pair of serial killers who murdered her mother and tried to shape Charlotte in their own twisted image. If only the nightmare had ended when she was rescued... -
![Obsidian Eyes by A.W. Exley]()
Obsidian Eyes by A.W. Exley
Rated: 3.89 of 5 stars · 9 ratings1836, a world of light and dark, noble and guild. The two spheres intersect when seventeen-year-old Allie Donovan is placed at the aristocratic St Matthews Academy. More at ease with a blade than a needle, she finds herself ostracised by the girls and stalked by a Scottish lord intent on learning why she is among them... -
![Dark Feather: A Dark Post Apocalyptic Romance by Alta Hensley]()
Dark Feather: A Dark Post Apocalyptic Romance by Alta Hensley
Rated: 3.80 of 5 stars · 5 ratingsI had two choices in life—to be a breeder, or to be a soldier. To create life, or to destroy it. I had chosen poorly... -
![Overload Flux by Carol Van Natta]()
Overload Flux by Carol Van Natta
The Central Galactic Concordance has been stable for two centuries, but trouble is brewing. A pandemic is affecting hundreds of civilized planets, and someone is stealing the vaccine... Brilliant investigator Luka Foxe's hidden mental talent is out of control, making him barely able to function in the aftermath of violence, and the body count is rising... -
![Loss of Reason by Miles A. Maxwell]()
Loss of Reason by Miles A. Maxwell
Rated: 3.78 of 5 stars · 10 ratingsOne Of The Most Disturbing Stories You'll Ever Read Distant for many years, Franklin out of Pennsylvania and his step-brother Everon out of Nevada are connected by a single link: Their sister Cynthia. Enter The Nightmare A nuclear bomb is detonated in New York. Banker, wife, mother, Cynthia lives in New York. The military has quarantined the city...
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