22 Alien Romance Books That Will Take You On An Adventure Across The Universe

Are you looking for a story to read that is filled with romance and adventure?

Do you want the story to take you to other worlds and show you that love knows no bounds? If so, then you definitely need to check out these alien romance books! 

Alien Romance Books

Alien romance novels have become much more popular in the last few years.

After the success of vampire and werewolf romance novels, it is only natural that aliens and otherworldly beings have become a hit amongst fantasy romance readers. 

If you are looking for a wonderful alien romance book that will take you on an adventure across the universe, then you have come to the right place!

We have put together a list of 22 alien romance books that will keep you on the edge of your seat that you simply have to read! 

What Are Alien Romance Books? 

Alien romance novels are full of adventure, mystery, action, and love that spans across the universe.

They show the readers that regardless of where you come from, love will always defy the odds and if you haven’t met the man of your dreams yet, he might just be from another planet! 

22 Alien Romance Books That Will Take You On An Adventure Across The Universe

Alienated By Melissa Landers

Alienated: Alienated, Book 1

Two years ago, aliens made contact with Earth. Aliens have integrated into society and Cara Sweeney is about to get one as a roommate. 

Cara is handpicked to host one of the very first L’eihr exchange students, which also gives her a free ride into college.

She thinks her future is set, and as a journalist, she will get a first-hand account of what the L’eihrs are actually like. 

When she first meets Aelyx, she isn’t sure what to think. The DNA of Humans and L’eihrs is almost identical, but Aelyx couldn’t be any more alien if he tried.

He is exceptionally good-looking, in a way that no human boy could be. 

Unfortunately, the whole town is swept up by anti-L’eihr paranoia, and Cara’s school isn’t a safe place to be anymore.

She starts to receive threatening notes in her locker and a police officer has to escort her and Aelyx to their classes. 

With no one to turn to for support, Cara finds solace in Aelyx and realizes she has fallen hard for him.

However, Aelyx is hiding the real reason he is there, and the two star-crossed lovers are about to fight not just for themselves, but for the whole planet. 

Pros: Has a nice balance of action, romance, and suspense

Cons: A bit simple in terms of writing style and storytelling.

The Host By Stephenie Meyer

The Host: A Novel

The Earth has been invaded by a parasitic alien race that latches on to humans and takes over their bodies.

The mind of the original human fades away, but the alien residing in the body takes over. 

Melanie Stryder, a human girl, gets captured by this race, but she refuses to fade away.

Wanderer, an alien known as a “soul” who has been given Melanie’s body, is shocked to find the original owner of the body still there and she is finding it hard to get Melanie to fade away. 

Melanie begins to fill Wanderer’s head with thoughts of her boyfriend Jared and her younger brother, which causes Wanderer to fall in love with a man she has never met.

Jared and Melanie’s brother is hiding somewhere in the mountains, and Melanie and Wanderer form an uneasy alliance as they go off to search for the man they both love. 

Pros: Has a unique writing style as you get to hear both protagonists’ voices in written form. 

Cons: The pacing can be a bit slow in segments of the book. 

Gravity By Melissa West

Gravity (The Taking Book 1)

There is only one rule in the future: Don’t. Ever.

Peak. 17-year-old Ari Alexander just happened to break this rule and saw someone she didn’t expect to be hovering over her bed – Jackson Locke, the most arrogant popular boy in her school. 

Expecting instant execution for breaking the law, Ari is surprised when Jackson instead issues her a challenge: help him, or every person on Earth will die. 

Ari knows she should report Jackson, but she starts to question everything she had originally learned about Jackson’s kind.

She tries to fight her instincts, but she can feel herself falling for him.

Ari is a military legacy, and she has been exposed to war strategies and societal information that an alien spy shouldn’t know. 

If she tells Jackson, she will betray her father and her country, but if she says nothing, she will start a war. 

Pros: This story is quite the page-turner. 

Cons: Can be considered to be quite cliché in terms of character types and plot devices. 

The 5th Wave By Rick Yancey

The 5th Wave

“After the 1st wave, only darkness remains. After the 2nd, only the lucky escape. And after the 3rd, only the unlucky survive. After the 4th wave, only one rule applies: trust no one.”

As the 5th Wave approaches, Cassie has no choice but to run from Them.

She has lost her family and is desperately searching for her brother, but escaping from the beings who look just like humans is no easy task. 

These beings are roaming the countryside and eliminating any human being that they see. Cassie believes that to stay alone is to stay alive until she meets Evan Walker.

He is mysterious and beguiling, but he could be Cassie’s only hope in finding her brother. 

Cassie has a choice to make and her decisions could mean life or death.

Pros: Engaging style of writing that will keep you engaged.

Cons: Characters are a bit two-dimensional. 

These Broken Stars By Amie Kaufman & Meagan Spooner

These Broken Stars

It’s just a normal night onboard the Icarus until catastrophe strikes.

The massive spaceliner is pulled out of hyperspace and it crashes onto an unknown planet. Lilac LaRoux and Tarver Merendsen survive this horrible event, but they seem to be the only ones. 

Lilac is the daughter of the richest man in the whole universe, while Tarver is a young war hero who came from nothing.

They couldn’t be any more different, but they only have each other to rely on.

The planet they are on is mysterious and unknown, and they don’t know where to turn in their hour of need. 

Just as everything seems hopeless, Lilac and Tarver find a blessing amongst the tragedy that has befallen them and find themselves falling for one another.

They begin to wonder if they should just stay on this mysterious planet together instead of searching for a way home. 

However, when they uncover the truth of the strange whispers that have been haunting them, everything changes.

They search for a way to get off of the planet, but they won’t be the same people they were when they first got there. 

Pros: The concept is a lot more original than most alien romance stories. 

Cons: Not very balanced in Sci-Fi and Romance, with the book focusing more on Romance instead. 

The Taking By Kimberly Derting

The Taking

16-year-old Kyra Agnew wakes up behind a dumpster at the Gas ’n’ Sip, but she has no idea how she got there.

All she has is a terrible headache and an intense sense of déjà vu, so she begins her journey home.

When she gets home though, she discovers that five years have passed and she hasn’t aged a day. 

Everything in Kyra’s life has changed. Her parents are now divorced and her boyfriend Austin is in college and dating her best friend.

Her dad has also transformed from an uptight neat freak into an erratic conspiracy theorist who blames her disappearance on aliens. 

Kyra is confused and lost and she doesn’t know how to move forward.

Now that she can’t rely on Austin, she turns to his little brother Tyler, who is now 17 and she finds herself extremely attracted to him.

The two retrace Kyra’s steps in hope of finding out what happened to her and they end up discovering strange phenomena that no one can explain. 

Finding out that the same thing has happened to other people, Kyra and Tyler go on a quest to discover the truth, but the answers may be more than they bargained for. 

Pros: The story perfectly blends Sci-Fi, Romance, and Paranormal genres. 

Cons: The main characters can be hard to identify with and like. 

The Prophecy Of Arcadia M.H. Soars

The Prophecy of Arcadia (Arcadian Wars)

115 years ago, a small planet called Arcadia was invaded by a powerful and vicious alien race and was nearly destroyed.

Being cut off from their resources, Arcadia turned to Earth for help. 

A group of Arcadians discovered a Prophecy that claimed the only thing that would help them was two children from Earth, so the Arcadian Council sent only their most gifted children to Earth, ensuring the planet’s safety. 

Samantha is one of these gifted children, and in order to succeed in her mission, she must learn to control her Arcadian powers and keep her true identity a secret.

This includes hiding who she really is from her best friend and Alexia, a girl she is sworn to protect. 

Samantha soon learns that nothing is as it seems, and there is someone who is trying to prevent the Prophecy from happening.

The boy in the Prophecy hasn’t been found yet, and a strange substance is circulating the school, which only adds more pressure to the situation. 

On top of everything else, Samantha is being distracted by her turbulent relationship with her “cousin” Matthew, and her confused feelings in regard to the mysterious and popular Julian.

All she wants is to feel free and be in control of her own destiny, but the survival of Arcadia depends on her and her friends. 

Pros: The story is told from three different POVs, giving you insight into each character. 

Cons: Lots of aspects of the story are given out of content, making it hard to follow all the POVs. 

Choosing Theo By Victoria Aveline

Choosing Theo: The Clecanian Series Book 1

Being kidnapped by aliens is only the start of Jade’s problems. Luckily, the alien race known as the Clecanians is willing to protect her, but only if she stays on their planet for a whole year and respects the rules of their culture. 

One of the rules is choosing a husband, and Jade is extremely reluctant to do this at first.

She eventually decides to play along, as she won’t be able to get back to Earth otherwise.

She selects Theo, a scarred mercenary to be her husband and he is shocked at this choice. 

Theo had spent years thinking he would always be passed over, and he is fascinated as to why Jade chose him.

The only logical conclusion he can come to is that Jade is a spy, and he is determined to break her cover by any means necessary. 

As Jade and Theo are forced to spend time together, they start to grow seriously attracted to each other and their chemistry is undeniable.

But neither party can afford to bring love into the equation. Jade needs to find a way home, staying on this planet forever was never part of the plan. 

Pros: Has a unique plot that isn’t explored in many other stories.

Cons: Is a bit of a slow burner. 

Obsidian (A Lux Novel Book 1) By Jennifer L. Armentrout

Obsidian (A Lux Novel Book 1)

When 17-year-old Katy moves to West Virginia, she resigns herself to a boring life.

She doesn’t expect much out of her new school or surroundings until she spots her hot neighbor who she describes with a “looming height and eerie green eyes”. 

Katy is sure that he is going to make her West Virginian life better, that is until he opens his mouth.

Daemon is arrogant and infuriating, and the two of them don’t get along at all. She pretty much writes Daemon off, until he saves her from an attacker.

He freezes time with a wave of his hand, and Katy’s whole reality changes in an instant. 

She learns that Daemon and his sister are aliens, and there is a galaxy of enemies who are trying to steal their abilities.

Daemon marks Katy, and the only way she is going to get out of this situation alive is by sticking close to him, and waiting for her alien powers to fade. 

Pros: The chemistry between the two lead characters is written well. 

Cons: There are some plotlines in the story which are a bit irrelevant to the overall plot. 

Radiance By Grace Draven

Radiance (Wraith Kings)

Brishen Khaskem is one of the princes of Kai. He has lived his life as the nonessential spare heir to a throne that has long since been secured.

He hasn’t had to deal with too much responsibility, that is until the human kingdom of Gaur and the Kai kingdom of Bast-Haradis requires him to marry a Gauri woman to secure an alliance. 

Brishen is a dutiful son, and he agrees to marry the Gauri woman but discovers that she is as ugly as he expected but somehow more beautiful than he could have ever imagined. 

Ildiko is the niece of the Gauri king and she has known her whole life that her only use to the family is through a strategic marriage.

She had resigned to her fate long ago, but she is horrified when she discovers that her soon-to-be husband is a foreign aristocrat and a prince of a people that are anything but human. 

Both Brishen Khasken and Ildiko have been trapped together by politics and duty, but the two soon learn that they are destined to be together, even as a conspiracy and scheme seem to be tearing them apart. 

Pros: The pacing of the main character’s relationship is quite steady. 

Cons: Too much repetitive emphasis on how “ugly/weird/creepy” the main characters are to each other in their dialogue. 

Abducted By Evangeline Anderson

Abducted: Alien Mate Index Book 1: (Alien Warrior BBW Science Fiction Paranormal Romance) (The Alien Mate Index)

Zoe McKinley lives a boring life: she has an awful job and an awful boss, so how could her life get any worse?

Well, being abducted by aliens is the answer to that question. 

She is dragged through a mirror onto an extraterrestrial ship and she finds out that she has been sold off to a huge alien male, named Sarden, who looks like The Devil.

This really makes Zoe wish that she could return to her boring, mundane life.

To make matters even worse, this huge alien wants to sell her off to an intergalactic petting zoo and Zoe doesn’t know what to do. 

Traveling through the galaxy with a robot butler and tiny green monkey-like creatures called nib-nibs, Zoe is forced to spend all her time with Sarden, and she thinks he’s too hot to stay mad at.

As time goes on, she realizes that she is falling for her captor, no matter how grumpy an alien he might be. 

Pros: The world-building is fantastic. 

Cons: The book is a bit long for the plot and dialogue style.

Captive Of The Horde King By Zoey Draven

Captive of the Horde King (Horde Kings of Dakkar Book 1)

Luna lives on the unforgiving planet of Dakkar and she does what all the humans in her village do: she keeps her head down, works to provide for her family, and makes sure that she doesn’t break any Dakkari laws so she doesn’t incite the alien race’s wrath. 

However, her brother is the complete opposite, and one careless mistake of his brings the Dakkari horde to their doorstep.

The horde is led by their powerful king – who is ruthless, cold, and a battle-scarred warrior. 

The only way Luna can think to save her brother’s life is by selling herself to the king as his war prize.

She agrees to tend to his every need, travel with his horde, and never see her family ever again. 

But as she settles into her new life, she discovers that the battle-scarred king never intended for her to be his concubine. He wants Luna to be his queen. 

Pros: The plot moves at a gripping pace.

Cons: There is a lot of internal dialogue and not enough actual dialogue between characters. 

Taken By The Alien Warrior By Hope Hart

Taken by the Alien Warrior: Warriors of Agron, Book 1

Ellie has been abducted by aliens and she is sure they have made a mistake.

The other women who have been abducted alongside her all look like models and they are in high demand, but she is 5’2, shy, curvy, and a kindergarten teacher. 

The Grivath have sold them on the planet Gule – which is known for dealing in human flesh.

Ellie is convinced that they meant to take her pageant queen sister instead of her, and she doesn’t know what to do.

To make matters worse, their ship crashes, and half of the women go missing.

The local population all want to eat the women and they are sure they are in danger until a group of handsome alien warriors saves them.

Ellie becomes infatuated with Terex, one of the handsome alien warriors, and he seems to be just as infatuated with her.

Ellie doesn’t understand why he is interested in her instead of the other women, and she needs to convince him to help her find the missing women and get them back to Earth. 

It should be easy to get Terex to help her, he is a warrior after all, but he would much rather snuggle with her than go off fighting.

Ellie doesn’t know how to convince him to help her and embarks on a mission to find the missing woman. 

Pros: Addresses self-esteem issues and other serious topics, while still keeping the dialogue humorous. 

Cons: The writing style can be quite jarring for some readers. 

Grim By M.K. Eidem

Grim (Tornians Book 1)

King Grim Vasteri is the most feared and strongest warrior in the whole Tornian Empire.

As the King of Luda, he is a blood brother to the Emperor and his line will die with him.

Due to being scarred, he has been declared ‘unfit’ to sire offspring, and no female would ever join him. 

The Torian Empire is dying out due to the great infection that has caused the birth of females to become a rare occurrence.

Due to this problem, the empire has been searching the galaxy for compatible females. 

When the empire discovers a compatible female on a slave ship, the Emperor orders Grim to find his new Empress’ home world so more ‘unprotected’ females could be obtained for the empire.

He does this knowing that Grim would never be allowed to Join with one. 

Lisa Miller is a widow whose husband died a year ago.

She has two daughters, Carly and Mik, and she knows that she will never find another man she could love as much as she loved Mark.

She is discovered ‘unprotected’ at her husband’s grave and she finds herself on an alien ship heading to a world unknown. 

Refusing to accept her situation, she confronts the males and demands to be returned to her daughters.

Grim sees this as an opportunity and agrees to accept this request and protect her children- but only if she Joins with him and only him. 

Pros: The story has great world-building, plot devices, and character development. 

Cons: The climax of the story is drawn out a bit too long. 

The Last Hour Of Gann Kindle Edition By R. Lee Smith

The Last Hour of Gann

Amber Bierce has nothing except her sister and two tickets on Earth’s first colony ship.

She enters her cryogenic Sleeper with the promise of a better life in 5 years but ends up waking in a wrecked ship on an unknown planet. 

For those who have survived, there is no rescue on the horizon and no way home, until they meet Meoraq- a holy warrior who is more deadly than any of the horrific beasts on this planet. 

Uyane Meoraq is a Sword of Sheul- God’s instrument of judgment who has a conqueror’s rights over all men.

However, when his father dies, he must take stewardship over House Uyane and lose the life he had always known.

He travels to the temple of Xi’Matezh in hopes of finding deliverance, but the humans he encounters prove to be a difficult test he must take. 

He takes a particular liking to Amber, whose appearance is alien to him, but her heart feels like home…

Pros: The world-building in this book is quite phenomenal and detailed. 

Cons: The book is over 1500 pages long. 

Dark Horse By Michelle Diener

Dark Horse (Class 5 Series Book 1)

Rose McKenzie is far away from Earth and she has no way to get back, but she has made a powerful ally- a fellow prisoner who she has formed a strong bond with.

Sazo is an artificial intelligence and he saved her from captivity and lots of unpleasant memories, but he also put her right in the middle of a conflict, which leaves Rose with her loyalties divided. 

Captain Dav Jallan is confused as to why he and his crew have managed to come across an almost legendary Class 5 battleship, but he also isn’t going to complain about it.

However, everyone on board is dead except for a single alien being who goes by the name of Rose. 

At first, she seems harmless and small, but as time goes on, less and less of her story makes sense and the details don’t add up.

Dav starts to get a bad feeling that his crew and maybe the four planets are in danger. 

The Tecran, who are the owners of the Class 5 battleship, set out to start a war to get it back and Dav has the feeling that Rose isn’t the only alien being who survived on the ship.

In order to discover the truth, Dav is going to have to go against his leaders and trust Rose. 

Pros: The interactions between the three main characters are well-written. 

Cons: The pacing throughout the story is quite slow. 

Dark Planet Warriors By Anna Carven

Dark Planet Warriors: A Science Fiction Romance

When scary aliens called Kordolians board the mining station of Fortuna Tau, Abby wonders what they are doing there, and realizes she’s never seen one of them up close before. 

She meets General Tarakof the Kordolians and finds him arrogant and insufferable, but she cannot help but be drawn to him. 

Tarak and his ship were sucked into a wormhole and spat out near a human mining station, and the ship needs repairs.

He doesn’t care for the human inhabitants of the station but finds himself infatuated with Abby.

He needs to leave quickly so he and his crew can get rid of the cursed Xargek. 

Pros: Grabs your attention right away.

Cons: The main character’s chemistry is a bit off. 

I Married A Naga By Regine Abel

I Married A Naga (Prime Mating Agency)

Serena comes to Trangor in order to participate in the First Hunt, so she is shocked when she finds herself in a position where she is forced to marry an Ordosian named Szaro.

She can refuse to marry him, but if she does, she will be executed. 

Serena knows nothing about Szaro or his people. The only thing she knows is that he has scales, fangs, and a very long tail.

Luckily, she only has to be his wife for six months and then she is free to leave. Szaro on the other hand has other plans, and he is big and intimidating. 

No matter how hard he tries to please her, Serena remains indifferent to the Ordosian, whereas he is completely infatuated with her.

He is impressed by how fearless and skilled a hunter she is, despite her fragile appearance. 

Szaro and Serena couldn’t be any different, but the Ordosian relishes in the challenge to make her stay willingly.

But will Szaro’s overzealous nature be the thing that tears them apart? 

Pros: The building chemistry between the two makes the characters flow really well. 

Cons: The lack of humanoid romance could be off-putting to some readers. 

Draekon Warrior By Lili Zander

Draekon Warrior: A SciFi Dragon Shifter Romance (Rebel Force)

Alice Hernandez was captured in space, imprisoned, and sold to the highest bidder. She has no one to turn to until she is rescued by a bossy alien warrior.

She finds Kadir impossible and incredibly aggravating, but then she kisses him, which may have been a mistake. 

She knows that Kadir is dangerous, she has seen him fight and when he loses control, he turns into a terrifying dragon that breathes fire. 

When Kadir first meets Alice, she punches him in the jaw and he is taken aback by how silly she is.

He follows her and swears to keep her safe as the two set off on a mission to find her missing friend.

As they spend more time together, Kadir realizes that she is everything that he could ever want, but he won’t allow himself to have it. 

Pros: The main heroine is quite likable and written with depth. 

Cons: Slow-paced and can be hard to follow in some parts. 

Stolen By An Alien By Amanda Milo

STOLEN BY AN ALIEN: An Alien Mate Romance

Arokh broke the rules and stole an auction item from the buyers.

He discovered that they somehow managed to abduct a Gryfala princess, but he doesn’t think she looks, acts, or sounds like what he thought Gryfala royalty would. 

Arokh is a Rakhii gladiator and this is the closest he’s ever been to a real princess, so he doesn’t have much to go on.

He knows that he would be lucky if she chose him to guard her, but he can’t help but want more… because he can’t let her go. 

Angie woke up in an alien auction pen and she is being sold off to the highest bidder. All she wants is to go home and drink some coffee.

When Arokh rescues her, he starts calling her ‘princess’ and she is worried about what he is going to do to her once he finds out that she is not Gryfala royalty at all… she is just a normal human. 

Pros: The book is only 400 pages long, so great if you want some light, entertaining reading.

Cons: The writing style is quite lackluster.

Mama And The Alien Warrior By Honey Phillips

Mama and the Alien Warrior (Treasured by the Alien Book 1)

Abby Wentworth abandoned her career to adopt her niece and run a maternity home, and she never regretted it for a single second.

However, she never expected to find herself and her girls abducted by aliens. 

The aliens intend to sell them all to breeders and everything seems hopeless until they are rescued by a huge alien and his crew.

Abby finds herself increasingly drawn to the captain and he treats her and her daughter with unwavering devotion. 

Captain Hrebec has long since resigned to the fact that he is going to be alone.

But when his ship finds an illegal Vedeckian trader, he meets Abby and her daughter, and his desire for love and companionship returns. 

Pros: The chemistry between the two lead characters is good. 

Cons: The plot is a bit hollow, with not much going on. 

Saving Askara By J.M. Link

Saving Askara: A Sci-fi Romance

Aboard the transorbital ship, the Phoenix, Victoria’s day starts out like any other.

She has always dreamed of interacting with intelligent extra-terrestrial life, and even though she hasn’t, she is happy with her career.

Thinking she is living life how she should be, one morning changes everything. 

Aderus’ only drive has been escaping. But his fight for freedom lands him in an uncharted system.

He has to interact with an isolated world and its people, which leads him to admire and respect them, especially one human in particular named Victoria. 

Pros: The world-building is quite good. 

Cons: The story feels like it’s missing content in parts. 

Final Thoughts 

So there you have it! 22 alien romance books that will take you on an adventure across the universe!

There is something for everyone to enjoy on this list and you will be immersed in the relationships and stories you read about. 

If you are new to the genre, these books are great to start off with! 

Frequently Asked Questions

Are Alien Romance Novels All Set In Space? 

Not all alien romance novels are set in space. Some are set on Earth, while others are set on distant planets. 

Do Ghosts Count As Alien Romance? 

No, ghosts do not count as alien romance. They are a part of the paranormal and/or horror genre instead. 

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Anna Davis