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Fifth Avenue Fling: A Grumpy Boss Romantic Comedy (Billionaires In Charge) Kindle Edition
I’m nannying for the grumpiest single billionaire dad in Manhattan... and he’s one outburst away from firing me.
I need a visa – like, yesterday. I’m not ready to leave the bright lights of New York for my seaside hometown in Ireland.
So, when the opportunity arises to become a live-in nanny maid for a billionaire single dad, I jump at the chance. How hard can it be, right?
Harder than I thought.
The first time I meet Killian Quinn, I get kicked out of his fancy hotel.
The second time we cross paths, the guy looks ready to slam the door in my face.
Yet, by some miracle (call it the luck of the Irish), he agrees to give me a chance. He’s desperate too.
But when Killian makes it clear that I’m the worst nanny maid in all of Manhattan, I’m one wrong move away from being deported.
So why is it when his eyes flash with anger, it feels like there’s something hotter than his temper under there?
And more importantly — can I take the heat?
Fifth Avenue Fling is a standalone, hot romantic comedy with a grumpy, billionaire single dad and his sunshine nanny.
- LanguageEnglish
- Publication dateApril 14, 2023
- File size2.0 MB
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This option includes 3 books.
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Product details
- ASIN : B0BW1YRMYG
- Accessibility : Learn more
- Publication date : April 14, 2023
- Language : English
- File size : 2.0 MB
- Screen Reader : Supported
- Enhanced typesetting : Enabled
- X-Ray : Enabled
- Word Wise : Enabled
- Print length : 435 pages
- ISBN-13 : 978-1739351304
- Page Flip : Enabled
- Part of series : Billionaires In Charge
- Best Sellers Rank: #1,854 in Kindle Store (See Top 100 in Kindle Store)
- Customer Reviews:
About the author

I’m Rosa, a contemporary romance author based in the UK.
I love crafting stories about strong, sassy heroines who aren’t afraid to speak their minds. These fierce ladies are paired with alpha heroes who are as rugged as they are emotionally guarded.
I have a weakness for specific tropes, such as billionaire alphas with egos the size of their bank accounts, age gap romances that show love defies age, workplace romances that give “office politics” a whole new meaning, enemies-to-lovers stories that make you want to lock the characters in a room until they sort out their feelings, and grumpy-meets-sunshine matchups proving that even the most brooding of men can melt with the right woman by their side.
When I’m not lost in my writing world, you can find me roaming the countryside with my own Happily-Ever-After guy (who refuses to read my books, likely worried he’ll see himself in them, or even worse, not see himself at all) looking for a great hike with a pub at the end.
My books are available in English, German and Polish. Coming in French and Portuguese 2025
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers enjoy this romantic comedy for its well-developed characters, steamy storyline with twists and turns, and great banter that makes them laugh out loud. Moreover, the book receives praise for its heartfelt content that tugs at readers' emotions, and customers find it a sweet, easy read. However, the pacing receives mixed reactions, with some finding it good while others note it starts slow.
AI Generated from the text of customer reviews
Customers find the book highly readable, describing it as an adorable and fun read that kept them engaged throughout.
"...But it's fun reading how they finally get together. The insta attraction seems inevitable, but it's not insta love or insta sex...." Read more
"...Liked the interactions between the characters. Book was a happy read." Read more
"This is a good start to a series. I hear the 2nd book is even better. Join kindle unlimited and read it free!!" Read more
"...The HEA was for my liking but I wish to see more in their future , maybe more kids. I am a sucker for that." Read more
Customers enjoy the book's humor, particularly its great banter and funny moments that make them laugh out loud.
"...Along the way, there are some funny scenes, with a hookup who is obsessed with her and shows up at her home, a yoga class that Killian and his..." Read more
"Liked that there was a plot ---not just about sex. Humor was uplifting. Liked the interactions between the characters. Book was a happy read." Read more
"...Other than that it could have been a 5 star read. Banter is incredible, dual pov, good plot, incredible writing...." Read more
"This was really funny and fun. Love how the female characters rise to full potential and how the powerful men become vulnerable through love...." Read more
Customers enjoy the storyline of this romantic comedy, appreciating its steamy scenes and twists and turns, with one customer noting there's never a dull moment.
"Like Lucas' other female characters, Clodagh is young, real, very earthy, and very down to earth, reminiscent of Bridget Jones...." Read more
"Liked that there was a plot ---not just about sex. Humor was uplifting. Liked the interactions between the characters. Book was a happy read." Read more
"...Banter is incredible, dual pov, good plot, incredible writing. Lean into the dramatics to make it even better...." Read more
"...I love all of her books. If you're looking for a good romantic book try any of Rosa's books! So far I'm impressed!" Read more
Customers appreciate the well-developed characters in the book, particularly noting Killian's character development and the strong female lead, with one customer highlighting the snarky side of the main character.
"...Humor was uplifting. Liked the interactions between the characters. Book was a happy read." Read more
"This was really funny and fun. Love how the female characters rise to full potential and how the powerful men become vulnerable through love...." Read more
"...Clodagh, the resilient Irish female main character, embodied positivity and kindness, while Killian was the tortured hero...." Read more
"The author has written characters with great chemistry, and the story has great humor and a unique spin in the unlikely nannie, Clodagh...." Read more
Customers praise the writing style of the book, describing it as a sweet and easy read with good narration, and one customer notes there are almost no typos.
"...Banter is incredible, dual pov, good plot, incredible writing. Lean into the dramatics to make it even better...." Read more
"...I read your books every chance I get. Keep on writing !!!!!!!" Read more
"...I absolutely loved Firth Avenue Fling! The book was so well written with almost no typos…..a rare thing in so many books these days...." Read more
"...🎧While the narration was generally good, it took some time for me to adjust to the inflections and tones of both voices...." Read more
Customers find the book intriguing and exciting, with one mentioning it has lots of surprises.
"An enjoyable book..it had you hooked from start to finish...it wasnt too corny, had a good balance and good storyline" Read more
"...The main characters, especially the women are strong and interesting and the sex scenes are not every other page. Well done!" Read more
"...This was such a great book and had me addicted!! I never wanted it to end!!! Oh, and the scene in the bathroom between them was 🔥🔥🔥🔥🔥🔥 !!!..." Read more
"I enjoyed this story and read it in two days. The characters were interesting. At one point I laughed out loud." Read more
Customers find the book very heartfelt, with emotions running high throughout the story, and one customer particularly appreciates the Irish touch.
"...the resilient Irish female main character, embodied positivity and kindness, while Killian was the tortured hero...." Read more
"...The Irish touch was especially dear to my heart. I loved everything about this from the teen angst and the New York suits to the angry Irish flair...." Read more
"Funny, sexy, and relatable. MFC has a great sense of humor. I’ve been in a reading slump and this is what I needed. I really enjoyed this book." Read more
"I just love when a book puts you through the paces and has you feeling every emotion! Fifth Avenue Fling is one of those books...." Read more
Customers have mixed opinions about the pacing of the book, with some finding it good and quick, while one customer mentions it started slow and another found the time jumps annoying.
"...The insta attraction seems inevitable, but it's not insta love or insta sex...." Read more
"...I read it in a day. Laughed so hard, the banter is great even though a few parts had me crying. Loved the ending" Read more
"...big and could be dramatic only for it to be kinda lacking and move on quickly...." Read more
"...It was enjoyable and fast paced. Grumpy boss and crazy employee who shouldn't go together but do...." Read more
Reviews with images

This book had so much of all the things AND IT WORKED!
Top reviews from the United States
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- Reviewed in the United States on April 17, 2023Like Lucas' other female characters, Clodagh is young, real, very earthy, and very down to earth, reminiscent of Bridget Jones. In New York City from Donegal, Ireland, she's staying with her friend Orla in Queens and working in an Irish bar. She had a job prospect that would have given her a working visa but it fell through, and now she has to go back to Ireland. That's the setup for her meeting a suit at the bar, who sees her and, being desperate to get a temporary nanny / domestic assistant for his boss, Killian Quinn, until the full-time one returns from leave, gives her a chance and tells her to show up at Killian Quinn's office.
Clodagh is elated for this opportunity but a little worried because she has an arrest record. Anyway, she scrapes through the background check, relieved that her past record hasn't shown up. She and her friend Orla celebrate with many drinks at a fancy hotel. They're really tying it on and she's stolen the drink glass as a souvenir and soaps and toiletries from the bathroom, as one does in fancy hotels. She stops to look at some really sexy lingerie in one of the store windows in the hotel, hears someone come behind her she thinks is Orla, and asks what she thinks. She turns around, bumps into Killian Quinn, a widower with a teenage daughter who's out with a date at one of the hotels he owns. She drops her bag, breaks that glass, and the toiletries roll out.
At the interview, of course he recognizes her as the toiletry thief and does not have a very good impression of her. But he takes her on probation. The salary and the perks are excellent, and Clodagh loves her in-house apartment. But she has just one night to familiarize herself with the job and a huge binder of instructions from the housekeeper. This is a bit of a problem because Clodagh is dyslexic but she has ways to accommodate it. It just takes her longer.
Killian is suspicious but he's also curious about her. His work laptop is hooked up to his house security. He opens it to check on her and sees her in his bedroom opening his night table, one of the "forbidden" zones. He's indignant he speaks to her, like God, his voice coming from the speakers. He's definitely attracted to her because she's very pretty and very sexy, but not in a conventional way. But he doesn't like it. His brother, Connor sees this and is very amused.
When Killian gets home he almost fires her for that infraction, but gives her a second chance. Clodagh does whatever she has to do in a very logical manner to do her job, even though Killian gives her some challenges. Soon she makes friends with Sam, one of his security people who live next door.
Killian's wife was murdered and he thinks it's his fault. So he's in no way looking for anything more than a transitory relationship or someone on his arm to date for social reasons. He really resents his growing attraction to Clodagh. After they sleep together he backs away, which makes her feel pretty bad and rather used. But Killian can't help coming back and being curious about her life. And he sees how good she is with his daughter. But he's afraid to do anything to get close to someone. So they have a rocky road forward with starts and stops, mainly because of him. But it's fun reading how they finally get together.
The insta attraction seems inevitable, but it's not insta love or insta sex. And it's really nice to see how they change each other and how Clodagh's presence makes his daughter's life better. Along the way, there are some funny scenes, with a hookup who is obsessed with her and shows up at her home, a yoga class that Killian and his daughter attend, and a bathroom scene.
What works with these two people from different social strata is that their backgrounds are more alike than not. Killian, a first generation American, grew up in Queens and lived there with his wife and daughter until he started amassing his wealth. His Uber wealthy lifestyle was built on top of that.
I love these romances and I only wish there were more. There are two male characters, Killian's brother and his business partner, that I hope will have their own books.
- Reviewed in the United States on March 21, 2025Liked that there was a plot ---not just about sex. Humor was uplifting. Liked the interactions between the characters. Book was a happy read.
- Reviewed in the United States on June 8, 2025Wow! Rosa Lucas really hit it home with this one! Great story and great characters! This ended with the perfect family together! Now on to the next one.
- Reviewed in the United States on May 30, 2025One thing I have been noticing with this author is that they set up for something big and could be dramatic only for it to be kinda lacking and move on quickly. If they really leaned into the dramatic part make it go dark for a minute and added 100 more page I would have ate it up. It feels like a build up only to shy away from it. Other than that it could have been a 5 star read. Banter is incredible, dual pov, good plot, incredible writing. Lean into the dramatics to make it even better. FMC could have been taken for a minute. Let Sam shine helping getting her back. She could have been unharmed. Let MMC be all alpha and do what it took to get her back then let him spiral. Could have leaned into more and I would have still read 100 more pages.
- Reviewed in the United States on May 29, 2025This is a good start to a series. I hear the 2nd book is even better. Join kindle unlimited and read it free!!
- Reviewed in the United States on September 1, 2024The h is described as sunshine , but I didn’t read her as sunshine more jumpy, nervous. Ya all know how a h is to a grumpy H. I enjoyed the the read as a one time read. So I rated a 4 star. But it was lacking for me a lot that matters for me. There wasn’t munch interaction between her and his daughter who was soon to be 13 and she was there to be her nanny among other. I didn’t see the big deep bonding I was hoping for her. And how the H and h fell in love when they never did any romantic stuff or spending much time together then the s*x part. They only connect during those moment. They hardly spend time together not enough . And of course the H is a bit back and forth but at least this one wasn’t manwhore . The HEA was for my liking but I wish to see more in their future , maybe more kids. I am a sucker for that.
- Reviewed in the United States on May 16, 2025This was really funny and fun. Love how the female characters rise to full potential and how the powerful men become vulnerable through love. Been binging all her books 🤣🤣🤣🥳🥳
- Reviewed in the United States on April 30, 2025This was the 4th book I've read of hers and this book is just as good as the others. It had ups, downs, twists, and turns where they were needed most. I love all of her books. If you're looking for a good romantic book try any of Rosa's books! So far I'm impressed!
Top reviews from other countries
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Cliente KindleReviewed in Brazil on October 30, 2024
4.0 out of 5 stars Bom
Divertido não espere encontrar nada de diferente ou inovador, uma leitura fácil e previsível, mais pode ser algo que vc precise pra te tirar da ressaca literária, eu estava e funcionou, então esse livro ganhou 4 estrelas pra mim, mais se não fosse isso daria 3.
- Amazon CustomerReviewed in the United Kingdom on June 4, 2025
5.0 out of 5 stars Sad it's over.
What a great funny, well written story so sad it's over. I couldn't put it down loved the characters & the comedy more like this please.
- SanjaReviewed in Germany on May 5, 2025
5.0 out of 5 stars Hot
Loved it! It was hot and steamy and I read it in a couple of hours.. Really liked the characters, and the story.. Recommend
- Hurting’ Left ShoulderReviewed in Canada on November 20, 2024
5.0 out of 5 stars Fifth Avenue Fling
A great book. I was in stitches laughing quite a few times. A really good story of love and family and overcoming trauma and guilt. Guarantee that you’ll enjoy this one!
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anagaby g.Reviewed in Mexico on March 17, 2025
2.0 out of 5 stars El final muy rapido sin entrar en detalles que esperas como lector
Empieza muy bien y conoces a los personajes, pero al final se siente como si ya quisieron acabar el libro y punto final, se esperaria mas historia y sentimientos o pensamientos de los personajes...