Books like '4th Degree'
Readers who enjoyed 4th Degree by Nikki Castle also liked the following books featuring the same tropes, story themes, relationship dynamics and character types.
contemporary sports age difference new adult forced proximity found-family friends to lovers secret-relationship forbidden love m-f
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Game of Hearts by Emilia Finn
This is book 3 in the brand new series by Emilia Finn. Stacked Deck is the highly anticipated 'Next Generation' series, and begins with our first baby - Evie "Smalls" Kincaid. Full blurb coming soon...Categorized as:
sports new adult m-f friends to lovers mma-boxing dual-pov first-person-pov heroine athlete -
![Power Play by Toni Aleo]()
Power Play by Toni Aleo
Rated: 4.46 of 5 stars · 22 ratingsPosey Adler is coming home. After a devastating journey for what she mistakenly thought was true love, she is saying to hell with men and love forever. As the Nashville Assassins’s new assistant coach for special teams, Posey is ready to focus on her job and have the attention on her for a change... -
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![Hart to Heart by M.E. Carter, Jacob Morgan]()
Hart to Heart by M.E. Carter, Jacob Morgan
Rated: 4.46 of 5 stars · 22 ratingsListening Length: 5 hours, 6 minutesWe’re the Harts. Between an engagement, a wedding and an adoption, we’ve had the best year of our lives. Things have never looked better for any of us.But just because you say “I do” doesn’t mean you get a happily ever after. And sometimes, you get tackled more in life than you ever did on the football field... -
![Path To Resolution by TheFeveredBookaholic]()
Path To Resolution by TheFeveredBookaholic
Rated: 4.61 of 5 stars · 15 ratingsWolfe Emerson is notorious for two things: being an absolute beast in a boxing ring and being a voluntary mute. His story remains unspoken and he prefers to live his life in silence. That is, until, his world is turned upside down when he meets someone who is louder than life... -
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![Overtime by Toni Aleo]()
Overtime by Toni Aleo
Rated: 4.31 of 5 stars · 32 ratingsDown and out with an injury keeping him away from the game, Assassins’ defenseman Jordie Thomas lives for the blades of his skates on the ice and the feeling of oblivion off it. With no choice but to heal, he’s forced away from the sport that runs through his veins. With everything at stake and darkness setting in, he quickly finds himself spiraling even further out of control...Categorized as:
athletes sports alpha male new adult heroine athlete m-f contemporary second chances -
![Total Chaos by Nikki Ash]()
Total Chaos by Nikki Ash
Rated: 4.52 of 5 stars · 15 ratingsKendallMy life has been an endless loop of heartache and breakup songs. I’ve lived in fear that I’m broken and will never find the kind of love that would piece me back together into something whole.When my boyfriend proposes, I say yes, desperate for an easy fix. For a super-glue solution. But, on the day of my wedding, when my dad tells me to follow my heart, it doesn’t lead me down the aisle... -
![Home Run by Jordan Marie, Robin Harper]()
Home Run by Jordan Marie, Robin Harper
Rated: 4.36 of 5 stars · 23 ratingsGreen Lucas doesn't know what's about to hit him. Complete Standalone Romance Wanted A woman with grit and fire who will help me get my son’s head out of his ass. You must be self-sufficient and not looking for a gravy train. Common sense is a plus, book smarts are optional. Cannot have red hair, as my son seems to go for that type and he needs something to shake him up... -
![Gotta Be Bayou by Erin Nicholas]()
Gotta Be Bayou by Erin Nicholas
Rated: 4.42 of 5 stars · 17 ratingsHow do you get over a woman you never should have been, ahem, under in the first place?Just when FBI special agent Spencer Landry had decided to forget about investigative journalist Maxine — Max — Keller and their one hot night together, there's a threat made against her and Spencer's protective instincts get all riled up. Again... -
![Hook Shot by Kennedy Ryan]()
Hook Shot by Kennedy Ryan
Rated: 4.22 of 5 stars · 39 ratingsA deeply emotional standalone romance set in the worlds of professional basketball and high fashion. Divorced. Single dad. Traded to a losing squad.Cheated on, betrayed, exposed. My perfect life blew up in my face and I'm still picking up the pieces.The last thing I need is her.A wildflower. A storm. A woman I can't resist...Categorized as:
sports new adult age difference friends to lovers dual-pov athletes contemporary basketball -
![Being Mrs. Cane by Shanora Williams]()
Being Mrs. Cane by Shanora Williams
Rated: 4.40 of 5 stars · 18 ratingsThey say there is happiness at the end of every love story, but they never truly mention the hardships it takes to get there. With Cane, I’d been through hell and back, and now, I was going to be walking up the alter, promising my life to a man that I’d gambled everything for. Some would call me dumb. Some would deem me insane. Others would say I was a fool in love...Categorized as:
new adult age difference alpha male secret-relationship m-f contemporary parents-bff length-short -
![Kissing the Rival by Kaylee Ryan]()
Kissing the Rival by Kaylee Ryan
Rated: 4.45 of 5 stars · 15 ratings**Kissing the Rival is part of a multi-author series following a group of friends. Each book in the series can be read as a standalone novel.Charlotte I’m not just kissing the rival… I’m falling for him. Spencer Pennington has always been a shameless flirt, but when it came to being the best in our MBA program, all bets were off, and the competition was on... -
![Flyball by Lisa Suzanne]()
Flyball by Lisa Suzanne
Fighting against our relationship turns into keeping it a secret…most importantly from her father. At first it’s fun sneaking around, but then it feels like every time we’re close to coming clean, something happens to stop us. And then life takes another detour as the reminder that life is short plows into me. It’s moments like these that make me think long and hard about the future... -
![Tight Laced by Lisa Suzanne]()
Tight Laced by Lisa Suzanne
Rated: 4.43 of 5 stars · 15 ratingsOne of us will have to give up the future we’ve dreamed of if we’re going to make this work. It’s not going to be me. We can’t both have that same thought if we want to stay together when our contract ends.But the more I see him struggle against the things his mother does to him, the harder I fall. The more his ex tries to get in his way, the more I want to stand up for him...Categorized as:
age difference sports friends to lovers forced proximity m-f contemporary siblings-bff length-short -
![Dump and Chase by Toni Aleo]()
Dump and Chase by Toni Aleo
Rated: 4.26 of 5 stars · 27 ratingsShelli Adler has known what she wanted since she was eleven years old. Aiden Brooks. But Aiden has always had other ideas. After spending the early years of his life without his dad, hockey legend Lucas Brooks, Aiden is determined not to settle for anything less than true love. When he’s ready. Now he’s living the fast life of an NHL bachelor... -
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![Surrender by Amy Daws]()
Surrender by Amy Daws
One night of complete surrender is all it takes. Gareth Harris is Manchester United’s reclusive star defender. He has control over all aspects of his life. But a lifetime of supporting his siblings and filling in for an emotionally absent father has taken its toll... -
![Pucked Under by Helena Hunting]()
Pucked Under by Helena Hunting
Rated: 4.20 of 5 stars · 36 ratingsRandy Ballistic and Lily LeBlanc are head-over-heels, bed-breakingly, screaming orgasmically in love. But even they have their challenges, mostly outside of the bedroom. With the off-season coming to a close and the boys gearing up for training camp, one more weekend of fun is the perfect way to welcome the new season...Categorized as:
sports new adult athletes dual-pov alpha male friends to lovers strong heroine hockey -
![Kissing My Brother's Bride by Molly McLain]()
Kissing My Brother's Bride by Molly McLain
Rated: 4.38 of 5 stars · 16 ratingsMy brother’s fiancée should have been mine. Now, I know what you’re thinking, and it’s not quite as bad as it sounds. Linc was running late for their first date and he begged me to stand in until he could get there.I only went to tell the girl to run. To warn her about my brother’s selfish ways and promise she wanted no part of it.But then I saw her...Categorized as:
friends to lovers forbidden love dual-pov strong heroine new adult m-f contemporary length-medium -
![The Hardest Route by A.S. Teague]()
The Hardest Route by A.S. Teague
My friends used to tell me ‘What happens in Vegas stays in Vegas.’ Clearly, they lied because a few months later, I found out my one-night stand was pregnant. I couldn’t handle a baby. I was Griffin Rockwell, the best wide receiver the league had ever seen. But what choice did I have? My baby girl was coming whether I was ready for her or not... -
![Part of Me by Kelly Elliott]()
Part of Me by Kelly Elliott
Rated: 4.37 of 5 stars · 15 ratingsFishing for the TruthSeasiders,News on the docks is Sutton Bradley may be adding new stock to her little boutique store, Coastal Chic, on the square. Now, I can neither confirm nor deny that it is sexy lingerie, but seeing as Ms. Bradley has been seen on more than one occasion in the company of Brody Wilson, who, let me remind you, was voted as the catch of the season... -
![Can We Try? by Kaylee Ryan]()
Can We Try? by Kaylee Ryan
NYT and USA Today Bestselling author Kaylee Ryan brings you the continuation of the stand-alone series surrounding five best friends who co-own a tattoo studio. Can We Try? is an age gap, surprise pregnancy, small town romance.MaggieOne wild night to lose myself… instead, I accidentally found myself a baby daddy... -
![Hook, Line, Professor : A Professor/Student Forbidden Romance - #1 by Shayla Hart]()
Hook, Line, Professor : A Professor/Student Forbidden Romance - #1 by Shayla Hart
"Do I detect a touch of desire in those gorgeous blue eyes, or is my boozed-up mind imagining things.."Ever the sceptic, Rein Valdez hoped all of her dreams would come true when she scored a scholarship and got accepted into Oakhill University—a prestigious Fine Arts school in Chicago... -
![Not As Planned by Harlow James]()
Not As Planned by Harlow James
Rated: 4.50 of 5 stars · 10 ratings“So you’re single?” “Are you seriously hitting on me right now while I have breastmilk all over my shirt?”When Grant Thomas, the handsome stranger standing in front of me in line at the coffee shop, stripped his uniform shirt off and handed it to me, I could have sworn I was on an episode of Punked... -
![Only One Forever by Natasha Madison]()
Only One Forever by Natasha Madison
Rated: 4.20 of 5 stars · 27 ratingsFrom The Something So Series and the This Is series comes Only One Forever.DylanMy dreams came true when I was adopted at ten.I was the best on the ice. Living the life of what every kid dreams of.We’ve been best friends since then. Even when she was the annoying little sister following us around.I would do anything for her.It is another family vacation; except this time it feels different...Categorized as:
sports new adult forced proximity friends to lovers forbidden love athletes m-f contemporary -
![Tight Fit by Lisa Suzanne]()
Tight Fit by Lisa Suzanne
Rated: 4.41 of 5 stars · 12 ratingsIt’s okay to admit I’m scared.Outside forces are working hard to tear us apart, but we’ve teamed up against them. It’s the internal struggles we’re battling that could spell the ultimate end.When Ben makes a public show to prove how committed we are, I’m left confused as I struggle to figure out whether his feelings for me are real or if they’re part of the act...Categorized as:
age difference sports friends to lovers forced proximity m-f contemporary length-short -
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![Second-Rate Superstar by Siena Trap]()
Second-Rate Superstar by Siena Trap
Rated: 4.35 of 5 stars · 14 ratingsEver heard of imposter syndrome?Well, if you look it up in the dictionary, you’ll find my picture beside the definition.I’ve been living in my older brother’s shadow since the day I was born.Anyone would struggle to live up to the legacy of the great Jaxon Slate, hockey superstar and face of the league. But it’s worse for me. Everyone expects me to be Jaxon 2...Categorized as:
sports found-family friends to lovers new adult athletes hurt-comfort hockey slow burn -
![A Callahan Wedding by Monica Murphy]()
A Callahan Wedding by Monica Murphy
Rated: 4.47 of 5 stars · 10 ratingsThe sweet and sexy conclusion to New York Times bestselling author, Monica Murphy’s standalone Callahan series, bringing readers along for the ride as fan favorites, Jake and Hannah get married! Hannah Walsh. Gorgeous. Intelligent. My first love. My high school sweetheart. My everything. And now my fiancée...Categorized as:
alpha male athletes friends to lovers sports new adult found-family m-f contemporary -
![Losing Princeton Charming by Frankie Love, C.M. Seabrook]()
Losing Princeton Charming by Frankie Love, C.M. Seabrook
Rated: 4.46 of 5 stars · 10 ratingsAll is fair in love and war ... but is this love? Spencer Beckett may have fallen hard for Charlotte Hayes, but one lie has their relationship crashing to the ground. Their glass castle is about to shatter. Breaking Spencer's heart in the process. When tragedy strikes, Charlie needs a man who won't let let her down. Even Princes need second chances .. -
![Beyond the Bases - Special Edition by Kaylee Ryan]()
Beyond the Bases - Special Edition by Kaylee Ryan
Rated: 4.17 of 5 stars · 29 ratingsWhat happens when you want more in life than just running the bases? You hang out at home plate and stop playing the field.LarissaHe's sexy and irresistible. I've done my best to ignore the magnetism that flows between us. I don't need complications in my life. I can't get wrapped up in his world. The last thing I need is to get attached to a professional athlete. I don’t have time for heartbreak...Categorized as:
new adult sports athletes dual-pov friends to lovers alpha male contemporary insta-love -
![Blocker by Samantha Whiskey]()
Blocker by Samantha Whiskey
I’m the Seattle Sharks’ number one goalie. The blocker. The wall. The opposition’s worst nightmare. I’m driven, committed to my team, and have zero time for distractions—on or off the ice. My focus is on my new contract—one that will secure my position and take care of my family. So, naturally, when Coach’s daughter moves back to town, he asks me to watch out for her... -
![In Your Pucking Dreams by Sheridan Anne]()
In Your Pucking Dreams by Sheridan Anne
Rated: 4.20 of 5 stars · 21 ratingsCASSIEI made the worst decision of my life when I left Denver three years ago.I broke his heart. I broke my family’s hearts. And then I broke my own.It’s taken three long years, but here I am staring my past in the face.Only everything has changed.He isn’t the boy I once knew. He’s the Captain of the Denver Dragons... -
![Brazen Steele by Ali Dean]()
Brazen Steele by Ali Dean
Rated: 4.37 of 5 stars · 11 ratingsBeckett Steele knows what he wants and he’s finally going after it. But there’s one thing that might complicate his mission. It was easy to sign the legally-binding contract prohibiting a public relationship when he had no intention of falling in love... -
![The Younger Man by Karina Halle]()
The Younger Man by Karina Halle
Rated: 4.13 of 5 stars · 32 ratingsStarting over was her only option.Forty-years old and still reeling from a public and painful divorce, Thalia Blackwood is looking for a fresh start, somewhere far away from her upside down life. When she’s offered a new job as the sports therapist for a football (soccer) team, she jumps at the chance...Categorized as:
sports new adult age difference forbidden love athletes alpha male friends to lovers contemporary -
![Locked Up One Night by Chasity Bowlin, Laramie Briscoe]()
Locked Up One Night by Chasity Bowlin, Laramie Briscoe
Rated: 4.50 of 5 stars · 8 ratingsI shouldn't want my ex-wife's little sister, but I do. And turns out, she wants me, too...TroyThere’s one person who pushes all my buttons… Lizzie. My former sister in law. My ex wife’s baby sister. Who was a freaking kid when Emma and I were married. But she’s not a kid anymore and my feelings for her aren’t brotherly. At all... -
![Call Me Teach by S.J. Sylvis]()
Call Me Teach by S.J. Sylvis
Rated: 4.50 of 5 stars · 8 ratingsThe deal is simple: my brother’s best friend--who just so happens to be my new roommate--shows me the ropes in the bedroom, and I owe him a favor when the time comes. No big deal, right? Except that the favor he asks for is something I never saw coming.Call Me Teach is a spicy lessons hockey novella that takes place in SJ Sylvis's upcoming series: Wilder U (coming 2026)...Categorized as:
sports forced proximity forbidden love new adult dual-pov athletes secret-relationship m-f -
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![Texas by Lila Rose]()
Texas by Lila Rose
Rated: 4.28 of 5 stars · 14 ratingsGrowing up around the Hawks Motorcycle Club, Maya and Texas have been in each other’s lives seemingly forever. Maya’s crush on her brother’s best friend has lasted almost as long.Older and somewhat wiser, she knows the man who’s always had her heart will never see her as anything other than his friend’s sister. But try as she might, she can’t escape him...Categorized as:
new adult friends to lovers alpha male age difference m-f contemporary bikers length-medium -
![Cruz by H.J. Bellus]()
Cruz by H.J. Bellus
Rated: 4.25 of 5 stars · 15 ratingsShe hates fighting. He lives for it.Layla’s vicious past drove her away from her hometown. She couldn’t live with all the reminders surrounding her, so she ran.Cruz Felix found a new home. A place where he could get his head on straight, train, and fight match after match toward the end goal: the championship in Las Vegas...Categorized as:
sports forbidden love mma-boxing athletes strong heroine fighters contemporary suspense -
![Only One Love by Natasha Madison]()
Only One Love by Natasha Madison
From USA TODAY bestselling author Natasha Madison comes a brand new stand alone sports romance. The seventh installment of the Only One Series. A spin off from the Something So Series and This is SeriesWilsonI was the bad boy on and off the ice.I loved it — owned it.Hockey. Women. Money.Until she came into the picture.Now, all I want to do is be better...Categorized as:
sports friends to lovers new adult anal sex dual-pov independent heroine strong heroine athletes -
![Up in the Air by Dr. Rebecca Sharp]()
Up in the Air by Dr. Rebecca Sharp
—Channing— They say how far you go is directly correlated to how much you are willing to risk. As a snowboarder, I was used to risking a lot - specifically life and limb every time I flew down the mountain and into the air. This time though, I was risking it all. I’d already lost so much. Winning was all I had left. The truth? I hadn’t been invited to the X Games, but my brother had...Categorized as:
sports new adult athletes alpha male m-f dual-pov first-person-pov independent heroine -
![Forbidden King by Laura Pavlov]()
Forbidden King by Laura Pavlov
From USA Today and Amazon Charts Bestselling Author Laura Pavlov, comes an all new Small Town, Brother’s Best Friend, Found Family Standalone Romance. Saylor Woodson is the one girl I can’t have, and the only girl I want. She’s my best friend’s little sister, and completely off limits. We have a history, a connection—one that no one else knows about. One that I’ve tried hard to forget... -
![Does He Know? by Kaylee Ryan]()
Does He Know? by Kaylee Ryan
Rated: 4.16 of 5 stars · 19 ratingsNYT and USA Today Bestselling author Kaylee Ryan brings you a new standalone series surrounding five best friends who co-own a tattoo studio. "Does He Know?" is an age gap, brother's best friend, small town romance.EmersonIt’s not like I planned to fall for my older brother’s best friend.It just happened... -
![Heart Keeper by Annie Dyer]()
Heart Keeper by Annie Dyer
Rated: 4.33 of 5 stars · 9 ratingsBook 3 in the Manchester Athletic Series... -
![Game Day by Piper Lawson]()
Game Day by Piper Lawson
Rated: 4.33 of 5 stars · 9 ratingsIn the heat of victory, I asked her to be mine forever. We’d both triumphed in our own way:Nova broke free from her past.I led my team to a championship and discovered life beyond the court. Our journey to "I do" was supposed to be easy. Except…The hottest resort in Aspen is only available is on short notice.A new season with the Denver Kodiaks looms on the horizon... -
![Perfect Praise by Grace Pearce]()
Perfect Praise by Grace Pearce
Rated: 4.33 of 5 stars · 9 ratingsMaren and Locke both exist in the same world of professional golf—he's the number one player in the world while she just takes his picture.Never mind that Locke unintentionally leads the press to believe that he and Maren are dating, because when she confronts him, he couldn't care less... -
![Love To Love You: A Love/Hate Novella by Isabelle Richards]()
Love To Love You: A Love/Hate Novella by Isabelle Richards
Rated: 4.38 of 5 stars · 8 ratingsAfter a long year of heartache and loss, Chase and Arianna pulled together the shattered pieces of their hearts and rebuilt a relationship that is stronger and more secure than ever before. Letting go of the mistakes of their past, their focus is on the future—their happily ever after... -
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![Home Run Baby by Tabatha Kiss]()
Home Run Baby by Tabatha Kiss
Rated: 4.38 of 5 stars · 8 ratingsTwo things I didn’t expect to happen to me over Spring Break at Chicago North University:1. Getting knocked out by a baseball.2. Getting knocked up by a baseball player. Hunter Novak. The most valuable player in college baseball. Home Run Hunter himself.But that’s not the name he gave me when he took me home from that bar a few months ago. We’re strangers. Now, we’re having a baby together...Categorized as:
sports new adult athletes strong heroine independent heroine poor heroine dual-pov sweet-hero -
![The Winning Score by G.K. Brady]()
The Winning Score by G.K. Brady
Rated: 4.38 of 5 stars · 8 ratingsShe can’t stand him. The feeling is mutual. Can they make it through quarantine together?Quinn Hadley only does one thing as well as he plays hockey—wheeling the ladies. He’s the envy of his teammates. With puck bunnies on speed dial in every city, he never spends a night alone unless it’s by choice. He has a certain type—hot, blond, and easy... -
![Reckless Goals by Katie Rae]()
Reckless Goals by Katie Rae
Rated: 4.60 of 5 stars · 5 ratingsRhysDespite being in my mid thirties and one of the world’s best soccer players, I had never reached my main goals in life—to be a husband and a father.But after being left heartbroken and alone on the night I planned to propose to my girlfriend, I realized how reckless that goal was. Love, in general, was reckless…...Categorized as:
age difference sports forced proximity dual-pov new adult athletes contemporary humor -
![Calling the Play by Fiona Davenport]()
Calling the Play by Fiona Davenport
All it took was one look for Cole O’Hara to know that Lorna Dunigan was meant to be his. He loved his job as the offensive coordinator for the New York Nighthawks, but that didn’t stop him from risking it all by threatening one of his players to stay away from the younger beauty in a nightclub... -
![Defending Hayden by L.P. Dover]()
Defending Hayden by L.P. Dover
Rated: 4.21 of 5 stars · 13 ratingsThe Carolina Cougars keep fighting for love as the Second Chances series from bestselling author L. P. Dover continues! In Defending Hayden, a damaged football star teams up with the only woman who can take the pain away. No one’s tougher than Carolina Cougars linebacker Derek McLaughlin... -
![Fake Shot by Julia Connors]()
Fake Shot by Julia Connors
After fifteen years of tending goal for the Boston Rebels, I’m known for two things: the highest save percentage in the league, and never spending more than one night with the same woman.I’m definitely not the guy you should trust with your best friend’s little sister. Especially not when that sister, Jules, is eight years younger and my new roommate...Categorized as:
sports new adult friends to lovers age difference forced proximity dual-pov first-person-pov m-f
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