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From USA Today Bestselling Author K E Osborn comes Fearless, the second book in the Las Vegas Defiance MC Series.

In the city that never sleeps, hearts don’t play by the rules.

He’s the brooding VP with a secret life.
She’s the curvy firecracker determined to make her ex regret everything.
A fake-dating deal turns dangerously real when one night in his car ignites something neither can ignore. But in Vegas, everyone’s hiding something—and Nitro’s truth could burn it all down.

Age-gap. Fake dating. Forbidden heat. Real heart.

Full blurb coming soon… but trust me, this ride is worth the risk.

396 pages, Kindle Edition

Published March 16, 2026

53 people are currently reading
32 people want to read

About the author

K.E. Osborn

124 books1,645 followers
With a flair for all things creative, USA Today Bestselling Author K E Osborn, is drawn to the written word. Exciting worlds and characters flow through her veins, coming to life on the page as she laughs, cries, and becomes enveloped in the storyline right along with you. She's entirely at home when writing sassy heroines and alpha males that rise from the ashes of their pasts.

K E Osborn comforts herself with tea and Netflix, after all, who doesn't love a good binge?

Explosive. Addictive. Romance. www.keosbornauthor.com

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Displaying 1 - 30 of 38 reviews
Profile Image for Angels.
2,092 reviews17 followers
March 16, 2026
This latest MC romance is packed with a ton of raw and heartbreaking emotion, suspense, and tons of fiery hotness. The author skillfully weaves a story of raw emotion, palpable chemistry, and danger that keeps readers hooked.

Marley's character is a woman with shattered confidence due to a past relationship, and she meets Nitro, Vice President of the Las Vegas Defiance MC. Nitro, a dominant and protective biker with a secret billionaire status, sees Marley's worth beyond her doubts. Their connection deepens after a chance encounter, culminating in a romance marked by passion and tension.

Fearless is a fast-paced, emotionally charged story that combines romance, suspense, and drama, showcasing Osborn's talent for delivering a satisfying HEA in the world of MC romance. We loved everything about this heartfelt, emotional read with its wonderful characters.
Profile Image for Wendy Livingstone.
20.4k reviews257 followers
March 16, 2026
This is the second book in this impressive series, and this is Nitro and Marley’s story.
Nitro has multiple identities, VP of his MC, uber driver, and secret billionaire, and when Marley gets into his cab on the worst night of her life, after being publicly humiliated by her ex, they end up fake dating to make her ex regret his actions.
This is a well written slow burn, action packed, easy to read, raw, gritty, and intense story, with found family, friendships, emotions, hidden identity, danger, suspense, intrigue, an age gap, revenge, fake dating, grumpy / sunshine, opposites attract, deception, trust, challenges, humour, witty banter, undeniable chemistry, and love, which leads to an entertaining, tragic, and unpredictable, addictive page turner.
I look forward to reading more from this talented author whose work I highly recommend.
Profile Image for Stefanie Kral.
772 reviews25 followers
March 18, 2026
✯✯5 Nitro & Marley Filled Stars!!!✯✯

I have been a fan of the Defiance MC ever since the very first book came out and every book of every series ends up on my favorite read list and this one is no different. I honestly don’t know how KE Osborn does it but she continually surprises me with each one. I mean, who would have ever thought that one of the men from Defiance would become an Uber driver just because he needed to clear his head and be normal for a bit.

Nitro is the VP of the Las Vegas Defiance MC and he’s the CEO of a business and Uber drives just to relax if that’s not interesting enough that I don’t know what is. But when Marley entered the back of his car, his entire life changed. He really connected with her and her story, and he definitely saw more to her that she saw herself thanks to her jerk of an ex.

Marley’s ex had just publicly humiliated her and she gets into Nitro’s car not expecting anything more than just a ride to her girlfriend’s house but instead everything changed after one conversation with him.

When they get into a fake relationship, that’s all it was supposed to be was a fake relationship, but one night wasn’t just enough but with all the secrets that Noto has you would think that would be the worst that happens, but when other things happen these two stick together and their relationship gets stronger and deeper.

I wanted Nitro’s book since I first read about him and I was super glad that it was the second book in the series but I’m so sad that mad that I finished it already LMAO. Marley was the perfect woman for him and vice versa.

I’m super excited to see where the rest of the series goes Bc if I know KE Osborn no matter what I think will happen won’t because she will surprise me like she has every single book of hers that I’ve already read previously.
2,322 reviews92 followers
March 16, 2026
Take one Marley, who’s had nothing but negativity from her ex-boyfriend, Derek, and mix in
Nitro, the VP of the Las Vegas Defiance MC, then voila you get one amazing couple with immense chemistry.

I love how unique this book begins and it continues to be a special story right till the end. These characters are perfect for each other—age gap included. Nitro is a man of many talents and wears different hats. He is there for Marley when her confidence is at an all-time low, after all he is an uber protector.

Once again, this outstanding author brings such emotion into her writing. It is so gripping that I couldn’t help but laugh out loud at the hilarious scenes, but I also felt my chest tighten as the drama amped up and the tension increased drastically. The balance between the romantic and suspense elements is superb.

Fearless is another gold nugget in the Defiance MC treasure trove.
Profile Image for Paige Wuerdemann.
557 reviews24 followers
March 5, 2026
I would like to say a massive thank you to K.E. Osborn for the ARC of Fearless.

I love getting more Defiance books and exploring the different chapters. Since meeting the Las Vegas boys in previous books I've always been intrigued by them.

What do you get when you toss a girl who's just been dumped and a man with a secret life together in an Uber? Chemistry and two people who can't help but think of each other frequently. One will find help will come in the most unlikely of places.

Nitro drives an Uber to escape- escape his worries as the VP of the Las Vegas Defiance and escape his name. Nitro has different layers to him that he just wants to escape onto the open road once in a while. Marley has just been dumped by her arse of an ex who isn't appreciative of who she is as a person, stating her weight also has played a big part in it. Through the Uber ride the two of them form an unlikely relationship.

I absolutely could not put this book down (I've also lost count of how many times I've read the book already). K.E. Osborn is able to deliver us a story that is well layered and filled with so much emotion that you can't help but root for the characters. This book is filled with found family and learning to love yourself for who you are after being beaten down by someone who was supposed to love you.

Nitro is Marley's biggest supporter and helps her to grow in her confidence and it was a perfect addition to this new chapter of the Defiance that we've been given. I'm super excited to get to know more of these guys through her stories!
Profile Image for Shannon Godwin.
3,101 reviews31 followers
March 18, 2026
I absolutely loved this book! Marley deserves so much better than her ex! When he dumps her and she leaves she just so happens to get into Nitro’s car. Nitro falls instantly for her, but she has so much going on can he get through all of it? Yes he’s someone important in an MC but he does the Uber thing just to get away. This book is so good with all the things going on I loved it. Nitro is doing everything he can to help Marley while her ex tries to put her down. She just happen to get into the best Uber she could have possibly gotten into.
816 reviews
March 18, 2026
EXCELLENT READ

Nitro is driving for Uber, and picks up Marley who is crying her heart out, due to her boyfriend just dumped her and kicked her out of there apartment. I highly recommend this story.
Profile Image for Mrs Cross.
696 reviews2 followers
March 18, 2026
Perfection

This book was beyond moving. There were so many fantastic elements to this story. I really enjoyed following along on this journey and look forward to the next.
Profile Image for Stephanie.
16 reviews
March 19, 2026
This was a great story. There were a lot of emotions, drama and love. It was more of a slow burn and once things got going, it got spicy. Nitro and Marley have great chemistry. The story progressed pretty smoothly and it wasn't rushed. I can't wait for the next book!
4,979 reviews10 followers
March 19, 2026
Romance

Thank you for sharing these wonderful romance novel series books. Please keep writing more of these wonderful books. Thank you
Profile Image for Teresa Lara.
3,508 reviews54 followers
Review of advance copy received from Author
March 1, 2026
love this series
love the Defiance
loved Nitro and Marley heartstopping broken beautiful insta love
Gripping
all the feels
ready for more
gimme Millie
2,792 reviews22 followers
March 19, 2026
⭐️⭐️⭐️⭐️⭐️

I am really enjoying this chapter of the LA Defiance. It is a unique group but with all we have come to love from all Defiance chapters. This couple was very cool together. There was plenty of emotions, suspense and situations that made the pages really fly. Good read.
Profile Image for Terri West.
2,203 reviews
March 24, 2026
So I think I have a new book boyfriend. Nitro has taken root in my heart and Marley is a brilliant FMC. This is the story of a broken down woman and a complicated, yet deeply caring man. I experienced so many emotions in this book as these two characters felt their way through thick and thin. Both of our MMCs grew and developed throughout, however, Marley truly blossomed.
A cleverly spun tale with an exciting plot and wonderful characters.
Profile Image for Nikki Costello ***Crazy Cajun Book Addicts Blog***.
2,092 reviews57 followers
April 1, 2026
A great action packed read from K.E. Osborn. I loved Marley and Nitro's chemistry. He's a big bad biker as the vice president of the Las Vegas Defiance MC but from the moment he meets Marley his protectiveness for her shines through. Marley is recently out of a relationship where she was treated poorly so her confidence has taken a hit but Nitro soon changes that. Nitro has secrets though and when Marley discovers the truth will it bring them even closer or pull them apart forever?
Profile Image for Brooke Clanton.
825 reviews1 follower
March 22, 2026
Secrets

Nitro is a Renaissance man if there ever was one! He has more layers than an onion, and I feel that we are just starting to peel them back! I love how caring he is to Queenie and how protective he is of Marley! I can't wait to see what the future holds for them!
Profile Image for Naiomi Cox.
430 reviews34 followers
March 18, 2026
I was hooked from the beginning with this book.

I love the tension and angst between Marley and Nitro. I want so much more.

MC
Billionaire
Cheating Ex
Fake Dating
Uber Driver
59 reviews
March 27, 2026
Egotistical males do you in

What a great read sad the funny the angry and lovely its a wonderful story of love and life that draws you in.
Profile Image for Sharlene Williams.
34 reviews
March 25, 2026
Loved this book. I was talking out loud, laughing crying and clapping my hands. Enjoyed reading about Nitro and Marley, looking forward to the next read.
Profile Image for Sandy S.
8,438 reviews207 followers
March 16, 2026
FEARLESS is the second instalment in KE Osborn’s contemporary, adult LAS VEGAS DEFIANCE MC erotic, MC romance series, set in the author’s DEFIANCE MC worlds. This is club VP Damon ‘Nitro’ Blackwell, and Creative Director Marley Wrens’ story line. FEARLESS can be read as a stand alone without any difficulty. Any important information from the previous story line or series is revealed where necessary.

Told from dual first person perspectives (Nitro and Marley) FEARLESS follows in the wake of the breakup between Marley Wren and her former boyfriend. Humiliated and shamed, Marley found herself in the back of an uber, driven by the man with whom she would fall in love. Nitro is the VP of Las Vegas Defiance MC, and billionaire businessman Damon Blackwell, but when he needs ‘normalcy’ Nitro prefers to drive an uber, keeping it real with everyone else. Meeting our heroine, a heart broken woman whose sense of self-esteem has been shattered by her now ex-boyfriend, Nitro finds himself falling for a woman who he is hoping to claim for himself but Nitro’s lies are about to push Marley out of his life, and the ramifications will threaten the people he loves.

The world building and relationship focus on Marley and Nitro’s growing love but Nitro knows it is only a matter of time before his secrets are revealed, and the fall-out is much greater than he could have ever expected. A fake relationship to prove our heroine has moved on, finds our couple targeted by the man Marley once loved. Marley will find herself falling for a man she knows nothing about but a man who is willing to dies for the people he loves. The $ex scenes are intimate and passionate without the use of over the top,sexually graphic language and text.

Once again, there is a large ensemble cast of colorful, energetic and dynamic secondary and supporting characters. We are introduced to several members of the Las Vegas Defiance MC:VP Nitro, tech genius and secretary Ghost, SAA Koa, Mace, Bear, and his sons, Road Captain Deek and Will, as well as club girls Millie McLane, Prospect Will, and Ro: law enforcement Chief Detective Maria Moretti, as well as the introduction of Nitro’s grandmother Queenie, and Marley’s ex and former boss Derek Fletcher.

FEARLESS is a story of secrets and lies, betrayal and vengeance, power and control, family and relationships forgiveness and love. The character driven premise is edgy, startling and tragic; the romance is provocative and captivating; the characters are decisive, strong-willed and charismatic.


copy supplied for review
Profile Image for Ria Alexander.
2,709 reviews52 followers
Review of advance copy
March 13, 2026
Fearless together ... oh the chemistry!

The second book in KE Osborn's Las Vegas Defiance , FEARLESS, was everything I love about Kim's writing. She brought it all: a delicious MMC, a gorgeous FMC, plenty of emotion, tension, drama, swoon, chemistry (oh, the chemistry), humour, and romance. Kim knows how to deliver the women readers want to be and the men readers want to be loved by.

Marley Wren's world has been turned upside down, her heart and confidence completely shattered. An uber trip to her girlfriend's home brings an unexpected connection with the driver. Nitro is a man of many facets: he's a grandson, an uber driver, VP of an MC, and a reluctant CEO. Being an uber driver is his way of escaping from the world, a chance to think, and when his most recent passenger tells her woeful story he's hooked, determined to make her feel better about herself.

FEARLESS is a journey of self-discovery, of healing from the past, and recognising your own self-worth. Nitro is a protector and from the moment Marley steps into his uber he is determined to show her he sees her, in turn Marley enables Nitro to see the individual parts of himself as a whole for the first time. I adored they accepted each other for who they are. I loved how their friendship evolved, the found family vibes with the MC, and Queenie, OMG that woman was incredible.

Interwoven throught Nitro and Marley's romance was the perfect balance of drama and suspense. Then there's the passion and the heat, Kim never holds back when it comes to these. FEARLESS was another fabulous story from Kim. Nitro and Marley were so easy to love and cheer for. Don't forget to download the Bonus Content... Nitro meets the parents! Next up is Breathless, Will and Millie's story, and I can't wait for that one.

Read and Reviewed for Reading Is Our Satisfaction

✨✨✨✨✨FIVE STARS
Profile Image for Kelchickbooklover.
2,129 reviews68 followers
Review of advance copy received from Indie Reviewers
March 15, 2026
After reading Rentless, book one in the Las Vegas Defiance MC series, I was excited to see Nitro's book was the next one. I was intrigued by his complex and interesting character. He was hiding things about himself and his past, which had me wanting to know more about him. Ms. Osborn, with her spectacular and gifted writing, has given us an MC love story filled with tension, secrets, family and love that nobody could deny.
Nitro has a complex life; he's the VP of the Las Vegas Defiance MC, an Uber driver and a billionaire CEO of an entertainment company. Marley, the woman who infiltrates Nitro's thoughts and heart, starts as a woman who is self-conscious and feels that she is worthless. One night in the back of Nitro's Uber car and her life changes as well as her outlook on life. Nitro saw something in her that made him fall fast and hard. When they say one night and one person can change everything, Nitro was that person for Marley. He was her knight in shining armor, that man who made her see that she was worth being loved and deserving of everything good in the world.
When something devastating happens, Nitro and Marley's lives take a turn for the worse but with the love they share and the backing of the club, the person responsible receives what they deserve. Love always wins in the end.
I am excited to read the next installment in this series, Will and Millie's story.
Profile Image for Rebel Devlin.
223 reviews6 followers
March 16, 2026
Fearless is the 2nd book in the Las Vegas Defiance MC series. This one isn't your typical MC romance you'd expect, but still just as good with all the romantic elements you need. It's an age-gap faking dating slow-burn romance that will take you on an emotional ride from start to finish.

Nitro is one complicated dude who wears multiple identities, all with a good heart. He's the VP of the MC, a billionaire CEO of an Entertainment company, a classical musician, and an Uber driver. Nitro's struggled all his life trying to figure out who he was, and finally started figuring that out when he picked up an Uber fare on her worst night ever, Marley. Marley's dickhead boyfriend tore her down, broke her confidence, then threw her out like garbage, where Nitro picked her up and showed her not all men are like her ex. Throw in Marley's bestie, Sage, and the need for a little revenge, and they come up with a plan for Nitro and Marley to fake date to get back at her ex. And of course, nothing stays fake, and maybe it never was to begin with. Nitro starts learning who he really is, and Marley starts believing she is beautiful and worth something. Lies and tragedy strike them, and it'll take everything to hold them together through it.

A definite recommended read from me. Complex characters, deep-seated traumas, hilarious side characters (that NEED their own books!), highs and lows, laughs and cries, it has it all. A romantic redemption romance.
Profile Image for Flavs is Mrs David Gandy♥~♥’.
3,464 reviews2 followers
March 16, 2026
I enjoyed Nitro’s story. I loved how he and Marley met. And how he was a safe place for her when she need it the most. I loved their chemistry and how he was in no rush with their relationship. He was patient with her and just enjoyed spending time with him.

Nitro drives a uber just as an escape from everyday life. He had so many things going on, trying to live two lives. Driving a uber was a good escape for him. This is how he meets Marley. He picks her up one night when her boyfriend broke up with her and kicked her out of their home. Immediately he feels attracted to her. But all he did for the next few weeks was build her up and get to know her.

Marley felt so down after her boyfriend broke up with her. He demeaned her and broke her. And now she still has to see him everyday as he was her boss. Meeting Nitro was so good for her. She needed someone who saw her for her and not trying to make her into something else.

But Nitro has some secrets that could ruin something that could be amazing for both of them
The story was great, loved it from the start to the end. Loved how Nitro just slowly brought her into his MC world. And gave her another family that will have her back all the time.

Looking forward to the next one in the story…

Read on behalf of
Fay’s Corner
Profile Image for Stephanie S.
691 reviews2 followers
March 16, 2026
I just can't get enough of KE Osborn's Defiance MC book. They are all different, but all connected in one way or another. This is Marley and Nitro's story, and it was not how you would think these 2 would meet. One just wanting to do something different to clear his mind, so he does a drive share sometimes and then Marley being kicked out of her boyfriend's home because she is not good enough for him or is image. That makes for an interesting night for both of them. One who can't stop thinking of this broken woman and the other finding out there are still good guys out there.

So much in this one as always secrets can sometimes come back to haunt you and could cost you the things your love.

Oh, and I have mentioned in other reviews, I just adore the side characters as they are just as important as the main crew. Queenie and her cohorts at the retirement community, reminded me of the same community in Landman that Angela takes care of them as they are lonely and just brought happiness into their lives.

So you get some steamy time, some tears and some awesome revenge in this one. Now I can't wait for the next installment of the Las Vegas Defiance and to see what KE Osborn has in store for us next.
Profile Image for World Of Books 65.
3,323 reviews63 followers
Review of advance copy received from Indie Reviewers
March 16, 2026
Fearless proves once again that K.E. Osborn writes MC romance with absolute fearlessness, delivering emotion, heat, suspense, and the kind of biker hero readers fall hard for.

With Fearless, the second book in the Las Vegas Defiance MC Series, K.E. Osborn once again shows her unflinching ability to deliver a story packed with raw emotion, intense chemistry, swoon-worthy moments, and just enough danger to keep the pages flying.

Marley is a heroine whose confidence has been completely shattered by an ex who never valued her, leaving her questioning her own worth. Because of that, she struggles to believe she could ever be enough for someone like Nitro — the commanding and powerful Vice President of the Las Vegas Defiance MC. Nitro is everything readers love in an MC hero: dominant, protective, and fiercely loyal. But there’s more to him than the leather cut and biker reputation… Nitro also happens to be a secret billionaire, and he sees far more in Marley than she’s ever been allowed to see in herself.

A twist of fate brings them together on the worst night of Marley’s life when she quite literally slips into Nitro’s cab. From that moment on, their connection begins to build into something deeper — something Marley never thought she deserved and Nitro refuses to let her walk away from.

But this is a K.E. Osborn story, so romance is only part of the ride. Woven through Marley and Nitro’s relationship is a gripping suspense element that reminds readers exactly why this author is so good at balancing passion with tension and drama.

Fast-paced, emotionally charged, and filled with heat, heart, and danger, Fearless delivers everything MC romance readers want — including the ultimate reward: a perfectly hard-fought happily ever after.
1,263 reviews18 followers
Review of advance copy
March 16, 2026
OMG!! What a fantastic book. This author never surprises me how epic her writing is and this book did not disappoint. This is the second book in the Las Vegas Defiance MC series. Damon aka Nitro is the VP of the Las Vegas chapter, though he loves his brothers and has a good life he sometimes just wants to forget and just check out for awhile, which is why he uber's. Marley has been with her boyfriend for six years when he tells her it isn't working and kicks her out. Marley and Nitro meet on the worst night of her life, what neither one of them know their lives are about to change. This book is so full of emotions from heartbreak, gut wrenching anguish, loyalty, action and passion and finally love. Nitro lives a secret life and when his secrets come out will he lose everything he loves. I loved Marley and Nitro's story but I also LOVED Queenie, she was the best. Wouldn't we all love a grandma like that. I will not go into everything because you need to read it. It is a fantastic book one I highly recommend. Once again this author nailed it.
Profile Image for Lynn Brooks.
3,574 reviews47 followers
March 16, 2026
Quite the endearing man for an MC VP! We see many of the key players for the motorcycle club throughout the book, but this particular one centers more on Nitro's outside life than on the MC inner workings. We get a background into him and what made him who he is today, the doll that is his grandma Queenie and the adorable meet cute that brings Marley into his life. I adored their story from start to finish ... though there was a section where I wanted to wring Marley's neck for a time. I can't help that I'm protective of my sweet Nitro! The characters are both attention grabbing, their past is well developed and their instant connection is really sweet and addictive. I was rooting for them from the start.

I highly recommend this book as well as the prior book in the series to anyone who enjoys an MC that has a whole lot of heart ... not just among members, but for their significant others too. I can't wait for the next book!
Profile Image for Doris.
3,759 reviews141 followers
Review of advance copy received from Author
March 14, 2026
Fantastic Addition to Defiance MC Vegas

I have to say that author has never let me down in giving me MC romances that I devour. There is so much to Nitro from VP of the Las Vegas Defiance MC Chapter to a secret billionaire to an Uber driver. That’s quite a combination but he lives up to every one of these roles. All it took was one night of picking up a customer while he was driving the uber that will change his life forever. Marley is a woman who had an ex that tore her apart making her a shell of herself and not a person that she would ever think a man like Nitro could fall for.

Nitro is fierce with a protective side and once Marley tells him her story he’s not letting her go. This book was a huge page turner for me and it is a book that I highly recommend. I cannot wait to see what this author has up her sleeve next.
Profile Image for Ann L.
4,919 reviews39 followers
March 16, 2026
What starts as Nitro picking Marley up in his Uber, cheering her up after a rough breakup, quickly turns into something unexpected. When Marley suggests fake dating to get back at her ex, Derek, Nitro agrees, what could possibly go wrong?
But somewhere along the way, the act starts to feel a little too real. As Nitro and Marley grow closer, their fake relationship begins to blur into something much deeper. The only problem? Nitro is hiding a huge secret as he’s actually the billionaire CEO of his late parents’ company.
Just as their feelings intensify, Marley’s toxic ex, Derek, isn’t ready to let her go even though it was him that broke up with her. He thrives on tearing her down, and now he’s set his sights on Nitro too. What Derek doesn’t realize, though, is that he may have picked the wrong fight.
2,716 reviews25 followers
Review of advance copy
March 13, 2026
4*
Nitro loves his mc family but sometimes he craves the open road but not always on his bike. Driving an uber he meets various people, never anyone as beautiful as Marley.
Marley meets Nitro on one of her worst days. Needing a lift to her best friend after her ex Derek pulled her to pieces she's lost confidence in herself.  He's determined to stop her self doubts. Needing to know more about her he finds out her routine and things fall into place luckily.
I really enjoyed reading this book and love the mc members.
Displaying 1 - 30 of 38 reviews