Babies for my Ex's Dad

Billionaire Ex Appeal

by Summer James

Bad choices in the big city.
Yeah… that’s always been my story.

And then I made the worst one yet—
I slept with the wrong man.

Scratch that—I slept with the worst man.
My ex’s father.
My new billionaire boss.

We swore it was one night—
one reckless, toe-curling mistake we’d never speak of again.
Except two pink lines say otherwise.

Now I’m trying to act professional—
but the way he watches me says he’s nowhere near done.

He’s twice my age and absolutely off-limits.
Yet somehow he’s the only thing that feels right.

I should get the hell out of here.
But instead, I’m falling—hard—for the silver fox I can’t have.
And he’s left a permanent mark… twins.


Babies for my Ex's Dad is a standalone romance in the “Billionaire Ex Appeal” series. This forbidden age gap love story delivers big boss energy and a surprise twin pregnancy. No cheating or cliffhangers. And an unforgettable happily-ever-after.

572 pages, Kindle Edition

Published January 6, 2026

About the author

Summer James writes steamy contemporary romance that will make your toes curl.

Swoon over sinfully delicious billionaire cinnamon rolls—alpha bad boys with sweet hearts and smokin' hot buns. Summer will have you flipping pages and falling in love.

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Reviews

[Sally Jask-eh · Rating 3 out of 5]

Babies for my ex’s Dad was a low commitment escapist read. Johnny and Coco hook up then work together in Chicago hook up some more. The son and ex is a whiny lying sleaze bag. Plot is flimsy, Art interests are nice side detail but nothing is developed past basic. Maybe less dialogue in beginning could have moved plot faster. End and epilogue were good, HEA with a little drama. Hate son Tyler so much,
wish he had to grovel to Coco

[Nicole · Rating 5 out of 5]

Babies for my Ex's Dad first book in the Billionaire Ex Appeal Series. A woman falls for her ex's billionaire father, who's also her boss, leading to an unexpected twin pregnancy in this spicy aged gap romance. This forbidden age gap love story delivers big boss energy and a surprise twin pregnancy. No cheating or cliffhangers. And an unforgettable happily-ever-after. This Johnny and Coco story which is told from a dual point of view. The connection and their chemistry is so strong. So well done I love these two. An amazing plot that drew me in from the start and keeps you riveted and turning the pages. OMG is all that I can say about this book. This is wonderfully written with characters that are fierce, resilient, passionate, powerful and protective. This one is a real page turner with enticing erotic scenes. The love story between Johnny and Coco is hot and sexy but it is so much more. Oozing and dripping with romance and heat that makes this read not only extremely hard to stop reading and hard to put down.
A contemporary romance, city life fiction story, billionaire romance, forced proximity romance, he-falls-first romance, ex's dad romance, polar opposite attracts story, lust-at-first-sight romance, insta-love romance, insta-everything romance, taboo romance, off-limits romance, forbidden romance, forbidden romance, hidden identity romance, aged gap trope romance, boss-employee romance, workplace romance, boss romance, big city romance, surprise pregnancy romance, twin babies romance, silver fox romance, grumpy alpha boss romance, protective alpha hero romance, one night stand romance with love, consensual intense rough sex, dominance, dirty talking, revelations, submission, survival, resilience, possessiveness, obsession, power and control, friendship, sabotage, treachery, acceptance, forgiveness, steam, tension, anger, angst, intrigue, threats, attacks, twists and turns, betrayal, backstabbing, double-cross, surprises, panty-melting passion, grief, drama, longing, cravings, family issues, loss, witty banter, laugh-out-loud-moments, guilt, forgiveness, and sadness.
Collette a.k.a. Coco is job hunting with interviews after another and is not having a good time at it. She collide into a stranger on the street and spilled all her papers. He helped her up but accidentally spill coffee on her. Because his apartment was around the corner her offer to clean up her clothing. She went home with him and one thing leads to another and the two spent one mind-blowing passion-filled night together. Fast forward, a month later the two came face-to-face when she meets Johnny the CEO. These two never thought that they would ever see each other again after their night together after that one reckless toe curling mistake, but then she rocked by the two pink lines. The two was shocked to see each other again. Coco gets the job and must now act professionally but the way Johnny keep watching her say that he's no where done with her even though they said it was a one time thing.
Coco and Johnny must navigate professional challenges with a shared connection of feelings while keeping it to just work. Johnny as a lot going on in his life with a fractured relationship with his son plus someone is trying to destroy everything that he has worked for with sabotage and corporate espionage. A company that he had built from the ground up and neglecting his family. Coco uses her analytic mind, talent and brilliance in spreadsheets and following the money trails to figure out who was the perpetrator. Johnny and Coco tried to stay away from each other but couldn't and succumb to their desires inspite of it possibly being problematic for them. He's twice her age and absolutely off-limits, yet somehow he's the only thing that feels right.
She knows that she should get the hell out of there. But instead, she's falling hard for the silver fox who she can't have. And he's left a permanent mark twins in her belly. And when Coco learns that he was the father of her ex-boyfriend this opens another can of problems. She didn't know that they were related even after they reconnected because the two have different names. They were so much going on in this story some past trauma, heartbreak, neglect, healing and redemption. Will Coco get to the bottom of who's behind the sabotage before it's too late? Was the threat internal or external entities? Will Johnny and his son reconcile their relationship? And how will her ex react to his dad and his ex dating? And will will Johnny react to being a dad again?

I received an advanced copy of this book via Booksprout and I am voluntarily leaving a review.

[Sal’s life · Rating 4 out of 5]

This is my first book from this author.
This story is about Coco who has had multiple attempts at getting a job which has not been successful, when she quite literally bumps into Johnny, who kindly offers to go back to his to help her get cleaned up after spilling coffee all over her.

The chemistry was there from the off and what starts off as a kind gesture leads to a one night stand. A little while after, Coco applies for a job at a big firm and happens to be interviewed by Johnny who is the CEO.

They both try to ignore their attraction, but this doesn’t last long. Unfortunately whilst she is at his place his son turns up angry and she thinks his voice is familiar. Deciding to go out to see him, she discovers he is her ex boyfriend although he had given her a different name.

Coco then discovers she is pregnant with twins. Johnny has a hard time processing this and worries he will make the same mistakes again.

I received a free copy and am voluntarily sharing my honest thoughts.

Workplace drama, surprise twins, and tangled emotions keep the story moving fast.

[Kellyanne · Rating 5 out of 5]

The story begins with an accidental encounter between Coco and Johnny. Coco, struggling to find a job, bumps into Johnny right after a rejection, leading to his coffee spilling all over her blazer. He offers to help her forget her troubles, and what starts as drinks quickly turns into a one-night stand.

A month later, Coco is hired by Johnny's company. The undeniable attraction between them resurfaces, and despite their attempts to resist, their emotions become tangled, making them the subject of office gossip.

The situation grows more intense when Coco discovers two complications: she is pregnant with twins, and Johnny is the father of her ex-boyfriend. Johnny is deeply concerned about repeating past mistakes he made with his son and worries about his ability to be a good father. His difficulty expressing his emotions causes problems for the couple. However, they eventually work through their issues to find their happily ever after.

Don't miss out on this really good read!

I received a free copy of this book and am voluntarily leaving a review.

[Fiona · Rating 5 out of 5]

I thoroughly enjoyed reading this story about Coco and Johnny. Coco has had a hard time trying to find a job and when she bumped into Johnny in the street after another rejection, his coffee goes all over her laser and he offers to help her forget. What starts off as just drinks turns into a one night stand and it’s a month or so later that Coco is employed by his company, their attraction is still there, and even though they try to not act upon it, their emotions get tangled up and before they know it, they are now the talk of the office. Then Coco discovered she is pregnant with twins. Johnny has a hard time with his emotions and expressing himself. This causes problems with the couple but eventually they work things out and go onto live there happily ever after.

I received a free copy of this book and am voluntarily leaving a review.

[Victoria Golby · Rating 5 out of 5]

An age-gap office romance

This is a great, well written, entertaining story. With an age-gap office romance, family drama, great chemistry, twin surprises, romance and love.

While struggling to find a job Coco bumps into Johnny knocking her coffee all over herself. He offers to help her destress and takes her for a drink which becomes a night together.

A month later, she finally gets hired, only to find that her new boss is Johnny and the attraction between them is still simmering. Though they try to resist they soon become office gossip when their emotions are undeniable, which only becomes more complicated when Coco finds she's pregnant and realises that Johnny is her ex-boyfriend's dad.

I really enjoyed this romance, with the pair overcoming their personal worries to find their happy ever after together.

I received a free copy of this book and am voluntarily leaving a review.

[Angi · Rating 4 out of 5]

This starts out with an accidental encounter. Later the two meet up again, only this time no matter what happens they can’t fight the chemistry. Things only become more intense when Coco discovers that Jonny is her ex’s father. But that’s not complicated enough, Coco is pregnant with twins. Jonny wants to not repeat the mistakes he made with his son and is worried about being a good father. This is a very good read. It’s sweet and spicy but it’s got serious moments and a lot of emotion throughout the book. This is a really good read. Don’t miss out.

I received a free copy of this book and am voluntarily leaving a review.

[Meg Gruber · Rating 4 out of 5]

Great characters who don’t know how much they need each other.
A one night stand becomes complicated. Johnny’s walls are so high. He builds his empire and fights with his son. He couldn’t handle the death of his wife. He’s all about work, only work, but someone is sabotaging his company from the inside.

Coco’s an artist who is job hunting to be a corporate personal assistant. She’s talented but good at dealing with facts, figures, and spreadsheets. At her job interview, the CEO turns out to be Johnny. He hires her anyway as her resume and credentials are stellar. Coco is exactly who he needs.in his company.

I received a free copy of this book and am voluntarily leaving a review.

[Sara Fournier · Rating 3 out of 5]

Babies for My Ex’s Dad is a standalone forbidden age-gap romance in Summer James’s Billionaire Ex Appeal series. It blends office romance, age difference, and a surprise pregnancy, all wrapped in a contemporary, emotionally charged story about unexpected love and consequences. I have been blowing through all of Summer James' books over the past few months and this did not disappoint! Finished in a day, plot touched on all my favorite tropes. Just enough spice while still having a good story line and interesting characters!.

I received a free copy of this book and am voluntarily leaving a review.

[Cindy Caron · Rating 5 out of 5]

I thoroughly enjoyed this book from start to finish. Ms. James has a true talent that brings her characters to life in an exciting yet humbling way. Her stories are well thought out and easy to follow, allowing the reader to totally fall into them.
In this book, we have the pleasure of following Johnny and Coco, as they progress from strangers to so much more, through many trials and struggles. With help from friends and family, and a good therapist, will they manage to jump the hurdles or will they both get burned.
A great read!.

I received a free copy of this book and am voluntarily leaving a review.

[Barbara · Rating 5 out of 5]

A Genuine Page Turner of a masterpiece romance book written by a 10/10-star author. From the very start of this book Johnny and Coco are compelling and will draw you into their romance. As you keep reading you will feel like you are sitting right there watching everything come together. This is an extremely addictive romance book that I had a difficult time trying to put down. Thank goodness for days off or I might have felt the flu coming on so I could stay home and keep reading this book. :)

[Johanna · Rating 5 out of 5]

'Babies for my Ex's Dad is a standalone romance in the “Billionaire Ex Appeal” series. This forbidden age gap love story delivers big boss energy and a surprise twin pregnancy.'

The plot was well written and straightforward. World building was well developed and solidly drawn. The characters were very appealing and complex and perfectly hawt together. Enjoyed immensely and highly recommend.

Grab a copy, kick back and enjoy!.

I received a free copy of this book and am voluntarily leaving a review.

[Anna Jason · Rating 5 out of 5]

This is a steamy juicy age gap of a “forbidden” Ex’s daddy. Heck ya girlfriend. Get it! It blends office romance, age difference, and a surprise pregnancy, all wrapped in a contemporary, emotionally charged story about unexpected love and consequences. I absolutely adore Coco and Johnny!! Their chemistry was off the charts and so in depth as, like everyone, they also are flawed but likes me other a fun emotional love story drama, sexual tension, chemistry, humor and charm, but twists and turns like any other story.

[Debdutch · Rating 4 out of 5]

“Babies for My Ex’s Dad” by Summer James

-A chance meeting leads Coco and Johnny into a steamy, complicated romance full of tension. I received a free copy and am voluntarily sharing my honest thoughts.

Workplace drama, surprise twins, and tangled emotions keep the story moving fast. Johnny’s emotional struggles balance well with Coco’s strength and determination. The story is spicy, angsty, and engaging, with a fun and satisfying ending.

[Debra Soehner · Rating 5 out of 5]

Coco meets Johnny on the street when they collide and have a hot night. Coco is looking for a job and Johnny becomes her boss and the father of her twins. Problem is that he is also twice her age and the father of her ex. Can these 2 work through their issues and workplace drama to admit they are each other's future? Great novel and great author.

I received a free copy of this book and am voluntarily leaving a review.

[Mindy Lopez · Rating 4 out of 5]

This is Book 1 in the Billionaire Ex Appeal Series by this author. It is an age gap, workplace romance between Coco and her boss, Johnny. These flawed but likeable characters and the unique plot makes for an enjoyable read. It is an emotional love story with drama and steam, sexual tension and chemistry, humor and charm, and twists and turns, plus appealing secondary characters. Quite a page turner.

I received a free copy of this book and am voluntarily leaving a review.

[L KQ · Rating 4 out of 5]

Unexpected Consequences

Johnny and Coco were not expecting to see each other again after their passionate encounter. However, things are complicated by the revelation of their mutual connection and professional relationship. This was an intriguing story where the intensity stemmed from various aspects of the plot. It was delightfully entertaining.

I received a free copy of this book and am voluntarily leaving a review.

[Virginia Danyow · Rating 5 out of 5]

I've read Summer James before, but this has to be my favorite so far. The emotional struggles between Coco and Johnny read so honest and true. The spice is well written, with enough room to let your imagination run away with the scenes. It is steamy, sweet, emotional, and has a side of intrigue that adds depth to the story.

I received a free copy of this book and am voluntarily leaving a review.

[Jennifer · Rating 5 out of 5]

A roller coaster of emotions

I truly loved this book. I couldn’t put it down. I don’t think the title does this book justice. This is a second chance for Johnny and a crazy aventure for Coco. I truly loved this couple. The emotions and chemistry was off the charts. I think the son should’ve been held accountable for all he did. But I know Johnny felt guilty. I will be reading this book again!

[Sandy Dillon · Rating 4 out of 5]

Good read, spicy. The story moves along nicely. The MMC has a lot going on, issues with company and son. But he falls hard for the FMC. The FMC is a strong, opinionated woman. Lots of twists, turns and angst in this one. Fun HEA.

I received a free copy of this book and am voluntarily leaving a review.

[Merry Jelks-Emmanuel · Rating 4 out of 5]

Their first meeting was chaotic, but the next one has sparks igniting and feelings growing among other things. Coco and Johnny's journey take a different turn when she learns that his son is her ex. Will they be able to survive the aftermath of workplace drama and their relationship.

I received a free copy of this book and am voluntarily leaving a review.

[Debbie Benson · Rating 5 out of 5]

I received a free copy of this book via Booksprout and am voluntarily leaving a review. I liked how an one night stand evolves into more as Coco goes to work for Johnny. They have strong chemistry. However two surprises cause complications. I was glad when Johnny accepts he will be a father again and that this time with Coco, he will be better.

[Jessica M · Rating 4 out of 5]

Yet another great book by Summer James. This book doesn’t just have steam. It has suspense, mystery, and a whole lot of angst in it. Great for those who love Ex boyfriends dad trope along with a lot of angst and self help working through past traumas.

I received a free copy of this book and am voluntarily leaving a review.

[Kerri Long · Rating 5 out of 5]

This was a really good book. Coco meets a sexy man on an elevator. The sparks fly with them. They have a one night stand. They go their own way. She is needing a job and she goes into have job interview with the CEO. They meet again and are shocked that they know each other. There is a lot of drama in the office and his son. But Coco and Johnny can’t stay away from each other. Great book.

[Linda Lavoie · Rating 5 out of 5]

Fantastic story! I really enjoyed this book once I started reading it I had a hard time putting it down. The characters were well developed and the storyline grabbed my attention from the start. Coco & Johnny have a steamy relationship, I highly recommend this book, it is so so good. I received a free copy of this book and am voluntarily leaving a review.

[Kandiemarie · Rating 5 out of 5]

This great, well written, and entertaining story begins with an accidental encounter between Coco and Johnny. There's family drama, unexpected twists, romance and love along the way. I enjoyed watching them find their HEA. Definitely recommend reading. Look forward to reading more from Summer James.

I received a free copy of this book and am voluntarily leaving a review.

[Julie Juhl · Rating 5 out of 5]

Babies for my Ex's Dad by Summer James is part of the Billionaire Ex Appeal series. I am a huge fan of Summer James and Coco and Johnny's story is one of the many reasons why. Their story is entertaining, well written and once you start reading you won't want to stop. This is one romance you won't want to miss reading.

I received a free copy of this book and am voluntarily leaving a review.

[Carolyn Meredith · Rating 5 out of 5]

This one was interesting from beginning to end. Lots of ups and downs and big blowups. Well written with colorful characters and great steam. The only downside was that I loathed both MC’s names. I will definitely be reading more by the author.

[Amanda · Rating 5 out of 5]

We go from a an adorable meet cute to an against the rules romance. Then we throw in an ex and some babies! I loved it! Well written and flowed smoothly.

I received a free copy of this book and am voluntarily leaving a review.

[KathyDarlene Tomcik · Rating 4 out of 5]

good story

Great characters. Deep, intense, well developed people. CEO and new assistant. And some of the usual. He has a son late 20’s with a bad attitude and how they work it out. Surprise. New baby!!!