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Rosa Lucas
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Fighting Mr. Knight: A Billionaire Office Romance (The London Mister Series Book 3) Kindle Edition

by Rosa Lucas (Author) Format: Kindle Edition
4.5 out of 5 stars 16,052 ratings

This arrogant playboy treats London like it’s his Monopoly board. But I’m not going to play by his rules…

Billionaire property tycoon Jack Knight is propping up the UK rich list and keeping the national tabloids ablaze with his scandalous love life. And making my life hell.

To him, I’m just another architect in a small design firm bidding for his latest prestigious project.
To me, he’s a ruthless businessman who plays people like pawns. I should know.

I’d rather work for Satan on designing Hell than have to answer to him.
But sometimes dream jobs come with insufferable bosses.

I hate that I have to see his signature arrogant grin every day.
I hate that when Jack Knight says jump, we grab our long poles.
I especially hate the undeniable explosive heat growing between us.

Fighting Mr. Knight is a standalone, steamy, dual point-of-view office romance with a hot-as-hell, brooding CEO and a sassy, witty heroine.

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  1. Book 3 of 3
    The London Mister Series
  2. Print length
    431 pages
  3. Language
    English
  4. Accessibility
    Learn more
  5. Publication date
    November 17, 2022
  6. File size
    4.3 MB
  7. Page Flip
    Enabled
  8. Word Wise
    Enabled
  9. Enhanced typesetting
    Enabled
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There are 3 books in this series.
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  1. You’re an idiot, mate. You gave up the best thing that ever happened to you for a fling with an intern.
    Highlighted by 451 Kindle readers
  2. Men like him get pissed when their pawns don’t move around the board as they order. What they forget is that if a pawn moves fast enough, she becomes a queen.
    Highlighted by 432 Kindle readers
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From the Publisher

Billionaire office romance

Editorial 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.

Product details

  • ASIN ‏ : ‎ B0BBB7VQFM
  • Accessibility ‏ : ‎ Learn more
  • Publication date ‏ : ‎ November 17, 2022
  • Language ‏ : ‎ English
  • File size ‏ : ‎ 4.3 MB
  • Screen Reader ‏ : ‎ Supported
  • Enhanced typesetting ‏ : ‎ Enabled
  • X-Ray ‏ : ‎ Enabled
  • Word Wise ‏ : ‎ Enabled
  • Print length ‏ : ‎ 431 pages
  • Page Flip ‏ : ‎ Enabled
  • Book 3 of 3 ‏ : ‎ The London Mister Series
  • Best Sellers Rank: #2,652 in Kindle Store (See Top 100 in Kindle Store)
  • Customer Reviews:
    4.5 out of 5 stars 16,052 ratings

About the author

Follow authors to get new release updates, plus improved recommendations.
Rosa Lucas

Rosa Lucas

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Full content visible, double tap to read brief content.

I’m Rosa, a contemporary romance author based in the UK.

I’m a total sucker for certain tropes: billionaire alphas with egos as big as their bank accounts, age gap romances that show love defies age, workplace romances that turn “office politics” into something way more interesting, and of course, grumpy-meets-sunshine pairings where even the most brooding men melt for the right woman.

When I’m not lost in my fictional worlds, you’ll find me roaming the countryside with my own Happily Ever After guy (who refuses to read my books – probably worried he’ll see himself in them… or worse, not see himself at all). We’re always on the hunt for a great hike that ends at a pub.

My books are available in English, German, Polish, Portuguese, French, and more languages coming soon!

Customer reviews

4.5 out of 5 stars
16,052 global ratings

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Customers say

Customers enjoy this romance novel for its engaging storyline with dramatic twists and turns, strong female characters, and explosive chemistry between Jack and Bonnie. The book is praised for its humor that makes readers laugh and cry, its steamy scenes, and writing style that keeps readers hooked. They appreciate the emotional depth, with one customer noting how they could relate to the characters' emotions throughout the story.

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StorylineCharacter developmentFun to readHumorSteamy contentWriting styleEmotional depthChemistry
76 customers mention "Storyline"71 positive5 negative

Customers enjoy the storyline of the book, describing it as a great plot with drama and an appreciated epilogue, with one customer noting its dual POV narrative style.

"Great story!! Jack is such a prize since he is a billionaire and single! Bonnie is just the girl he needed!" Read more

"...A beautiful love story." Read more

"This was so fun and sweet, forgiveness, love, vulnerability and understanding self-worth. This was my favorite of the 3 books" Read more

"OFFICE ROMANCE AND ENEMY TO LOVERS Overall: 4/5 Writing: 5/5, good writing style Characters: 3.75/5..." Read more

33 customers mention "Character development"33 positive0 negative

Customers love the characters in the book, particularly appreciating the strong female characters, with one customer noting the easy flow between the main characters.

"This was a thoroughly enjoyable book with great characters and good storyline. I have enjoyed all of her "Mr." books." Read more

"Great characters, Great location. I enjoyed everything about it. Lucas books are a lovely escape, I just wished there were more of them!" Read more

"Loved the story line and the characters. There was plenty of spice to keep things hot!! 🌶🌶🌶🌶 looking forward to the next book...." Read more

"...To me its all about the depth of characters, you truly fall in love with them. True sign of a good book......absolutely hate when it ends...." Read more

22 customers mention "Fun to read"22 positive0 negative

Customers enjoy this book, finding it exciting and worth reading, with one customer noting it's light reading perfect for evening entertainment.

"I just came across this author and I love her books. This was a fun read with a great story between the main characters...." Read more

"...Bonnie is an amazing character that if sexy, fun and strong and finally finds her worth. Bonnie and Jack realize whats important it’s perfect...." Read more

"...All three stories were wonderfully arousing, and exciting." Read more

"...Their back-and-forth is sharp, full of tension, and had me hooked. Bonnie’s a little awkward but so easy to love, and Jack doesn’t stand a chance...." Read more

21 customers mention "Humor"21 positive0 negative

Customers enjoy the book's humor, with several mentioning it made them laugh and cry, and one customer noting that the dialogue is particularly entertaining.

"Oh this was cute, funny and witty. My version on my KU app was a little wonky but didn't detract from the story...." Read more

"...The humor, the tension, and the messy emotions gave me major Bridget Jones’s Diary vibes in the best way...." Read more

"...Awesome reading and couldn't put the book down . Funny,sexy and love the feisty women and alpha males..Keep on writing please ." Read more

"...The story wasn't excellent, but the writing was really good...." Read more

16 customers mention "Steamy content"16 positive0 negative

Customers enjoy the steamy scenes in the book.

"This book was great!! It was hot and passionate while still a sweet love story. I am looking forward to book 4 🤞🏼🤞🏼..." Read more

"...Hihgly recommend for great storylines, love and steamy scenes." Read more

"Hot and steamy but it was a true love story! This series was excellent and I highly recommend it...." Read more

"This book had it all: Romance, lots of heat, heartbreak, and mystery...." Read more

16 customers mention "Writing style"16 positive0 negative

Customers appreciate the writing style of the book, with one noting it is easy to read.

"...Great writing and a HEA!" Read more

"Loved the chemistry between Jack and Bonnie. Very well written. My second time reading this author, I will be reading more of her books." Read more

"Good writing and good storytelling...." Read more

"...Well..she ( Rosa Lucas ) writes. And boy, does she write well! I’ve read all three books from the Mister series...." Read more

15 customers mention "Emotional depth"15 positive0 negative

Customers appreciate the emotional depth of the book, describing it as heartwarming and heartbreaking, with one customer noting they could relate to the protagonist's emotions throughout the story.

"...The story line was beautiful and full of emotional depth. I also appreciated the epilogue. This was my favorite book in the London Mister series." Read more

"...The humor, the tension, and the messy emotions gave me major Bridget Jones’s Diary vibes in the best way...." Read more

"This book had it all: Romance, lots of heat, heartbreak, and mystery...." Read more

"...Jack definitely fell first and was a good boyfriend, but even with that I can't say I really loved either character...." Read more

8 customers mention "Chemistry"8 positive0 negative

Customers enjoy the chemistry between Jack and Bonnie, with one customer describing them as explosive together.

"...Their chemistry is fire, and the buildup makes the payoff even better...." Read more

"...not a fling which surprise her plus their chemistry was amazing to read and imagine...." Read more

"...Loved the chemistry and the banter between the 2 mains. I read this one first and didn't feel as if I missed anything by not reading the others...." Read more

"...You won’t be disappointed! Read it! I really love Jack and Bonnie’s story. When it’s right it’s right. TRUST is everything! ♥️" Read more

Top reviews from the United States

  • Elizabeth R. Rogers
    5.0 out of 5 stars twisty
    Reviewed in the United States on June 30, 2025
    Verified Purchase
    Jack and Bonnie are just the sweetest couple. It’s amazing what we believe as kids because we trust our parents to tell us the truth. Unfortunately hers left her blowing in the wind and she almost lost the best man she ever met. She should have let Jack play with Max when he he asked…..I would have paid good money to watch that dance in the ring 😂. Loved this series and can’t wait to read more from this author.
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  • ChillA08
    4.0 out of 5 stars Big... J Energy
    Reviewed in the United States on June 14, 2025
    Verified Purchase
    This started out slow, with too many words, not much action. It's just us reading Bonnie's hangups on her ex. By the middle it got really good with a few twists that made things interesting.
    The story wasn't excellent, but the writing was really good. I would've liked to have seen a little more closure with Max and even understand how Bonnie and Jack end up later on.
    I'm not sure how Jack really becomes mostly OK with her dad and how he didn't understand her position. What does he tell his family about who her dad is? We never get to those levels, which would've made it really good.
    Jack definitely fell first and was a good boyfriend, but even with that I can't say I really loved either character. She stayed hung up on her ex a little too long. There also could've been more spice especially with what he saw with her at Kate's wedding.
    Again, it was the writing that put this as a 4 for me. The story itself is probably a 3.5
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  • Dawn S
    5.0 out of 5 stars Mr Knight is Amazing
    Reviewed in the United States on July 9, 2025
    Verified Purchase
    This story was the best of the series!!! Jack is the man every woman deserves...sweet sexy loving caring kind hot hot hot. I could read about Jack and Bonnie all day. Well done Rosa ...the black eye at the wedding was so funny....sloth from the Goonies!!!! The audio book ....lol...Her favorite move 365 days!!! Love Bonnie !!!!
    Helpful
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  • Silver Bootsie
    5.0 out of 5 stars A Must Read
    Reviewed in the United States on June 19, 2025
    Verified Purchase
    This book had it all: Romance, lots of heat, heartbreak, and mystery. I like Jack, a Bricklayer to a Property Owner billionaire who is filled with lots of testosterone. Bonnie, Jack’s love interest is treated poorly by her boss and exfiance. But Bonnie wins in the end because she and Jack get engaged. Bonnie also lands a sweet job at another company where her career soars. I liked the connection between Danny, Tristan and Jack and am glad I’ve read all 3 books in Rosa Lucas’ London Mister Series.
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  • BJ
    5.0 out of 5 stars Fabulous
    Reviewed in the United States on July 2, 2025
    Verified Purchase
    I just love the way she weaves a story but the endings always leave me hanging for more. I'm up til 3 in the mornings sometimes because I can't wait for what comes next.
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  • Kindle Customer
    3.0 out of 5 stars 2.5-3 stars 🌟
    Reviewed in the United States on April 22, 2024
    Verified Purchase
    Jack and Bonnie... I enjoyed reading their story, but I feel Mrs. Lucas overlooked and rushed some important things.

    First, Bonnie is nieve (which was established), but she failed to ever ask questions, advocate for herself, exploited, and too trusting. She passed judgments and condemnation without any evidence, and by believing those who have proven themselves to be of poor character. This issue is difficult for me. Communication is not her strong suit.

    Jack. Tisk tisk tisk. I'm gonna get this out of the way first. I need him to apologize and grovel like no one has EVER groveled before. He did Bonnie so incredibly dirty. What he did to her in his kitchen was worse than that pos Max did. All he says is, "I'm sorry I wasn't there in your time of need"!!! Are you freaking kidding me?! That's it? Oh heck no. I would have killed him. There is no coming back from that without acknowledgment and groveling. But Bonnie has proven herself to always be a doormat and take whatever is offered.

    What happened with the house he bought back for her? Was it forgotten? It was mentioned a few times that he's done so, and we never get to find out how she reacts. It's also implied that Jack has had a major thing for Bonnie for years. Again, it's glossed over and we should just accept his weird "fast" attachment. The development on Jack was rushed or forgotten. Everything was glossed over.

    And you mean to tell me that Sean was Max's best friend. Max was Sean's best man at his . And you're gonna tell me that he didn't know Max was a cheating bastard? I call BS. Also, why couldn't we learn all about Max's downfall? It's implied. But like with everything else, it's missing. Ugh so many misses.
    7 people found this helpful
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  • Nicolelynn247
    4.0 out of 5 stars I couldn't put it down
    Reviewed in the United States on July 4, 2025
    Verified Purchase
    I get into a series and each book is better than the last. I love a good romance. I do wonder if these things actually happen. ;)
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  • Love to Read
    5.0 out of 5 stars great characters and a beautiful love story
    Reviewed in the United States on June 12, 2025
    Verified Purchase
    I just came across this author and I love her books. This was a fun read with a great story between the main characters. The story line was beautiful and full of emotional depth. I also appreciated the epilogue. This was my favorite book in the London Mister series.
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Top reviews from other countries

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  • Endless reader
    5.0 out of 5 stars A must read
    Reviewed in the Netherlands on January 11, 2023
    Verified Purchase
    From Rosa's first book: Taming Mr. Walker, through Resisting Mr. Kane and now Fighting Mr. Knight I have fallen for her story's and her writing. I like the POV way of story telling. Fighting Mr. Knight is a steamy, swoon and funny story. Jack & Bonnie fall hard for each other. I loved the twist near the end of the book. I find that Rosa's writing is getting beter and beter so I can't wait for Rosa's next story.
    Report
  • Garima
    5.0 out of 5 stars Great read
    Reviewed in India on March 4, 2023
    Verified Purchase
    The 3rd & final book of the series is the love story of Jack Knight, CEO of The Lexington Group (property developer) & Bonnie Cassey, an architect. Their path collides when Bonnie’s company is tasked with design & overall work for a new project for Jack. The storyline is slightly different from the other two books – past murder, intrigue & the other usual stuff all packed in seamlessly. This one too has witty banter, sarcasm weaved into the conversation.

    After reading all three books I discovered a few things about the author –
    1. her narration is laced with wit & sarcasm which makes it a fun read
    2. she has taken time to develop the storyline and character
    3. female protagonists are witty & strong

    So far, she has written – 3 + 1 (expected release 30th April) so she relatively new author. I Look forward to reading her next novel.

    It’s part of KUL & a definite download & read book. Please read it in sequence as all three friends & their partners find a mention in each other’s story. Also, in the epilogue you get a peek into the married life of each which is nice. Happy reading.

    Book.1 Taming Mr. Walker: Danny Walker & Charlotte Kane
    Book 2. Resisting Mr. Kane: Tristan Kane & Elena Aldric
    Book 3. Fighting Mr. Knight: Jack Knight & Bonnie Casey
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  • Alejandra Falomir Kelly
    5.0 out of 5 stars loved it!!!!
    Reviewed in Mexico on February 20, 2023
    Verified Purchase
    Jack is the sweetest guy!!
    I’ve read all three books and the rating is like this:
    1. Best chemistry: Danny and Charlie
    2. Best characters: Jack and Bonnie
    3. Best book: Danny and Charlie
    I like Jack best because he is more easy going, sweet and down to earth than the other two. Danny was very serious and Tristan was just… in need of therapy.
    Bonnie is truly the most mature lead. She has an interesting background and is pretty stable even if she has been recently left by his ex-fiance. Charlie is the funniest though.
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  • LUCIA DE GARNICA
    5.0 out of 5 stars Muy entretenido, mantiene la emocion durante toda la lectura.
    Reviewed in Spain on January 2, 2023
    Verified Purchase
    Facil de leer y te atrapa
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  • Alexandra Holland-Wright
    5.0 out of 5 stars London Mister
    Reviewed in Australia on February 17, 2025
    Verified Purchase
    I loved this series! I read all 3 books in 2 days! Not kidding. I haven’t laughed so much in a long time! The wit, banter, angst, push and pull of the couples, honestly couldn’t put them down!
    Enjoyed them immensely.
    Report

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