Look, I'm not going to sugarcoat it (ironic, given I write romance for a living). Writing for Mills & Boon is one of the most rewarding and fun things I've ever done, and I've written over 20 of them... but doing it does come with rules. A lot of rules. Good rules, don't worry.
The rules that come with learning how to write for Harlequin Mills & Boon might actually make you a better writer. I know they did me!
So grab a coffee, settle in, and let me share what I wish someone had told me from the start.
Keep It Tight — 50,000 Words Is Your Playground
Harlequin Mills & Boon novels are short, punchy, and paced like a heartbeat. You've got around 50,000 words to tell a complete love story, which means every single chapter needs to earn its place. No fillers allowed, folks! And no meandering subplots that go nowhere, thank you very much. Every chapter should directly involve your main characters and push their emotional arcs forward. If a scene doesn't develop the romance or deepen the conflict, it's dead weight. Cut it.
Your Characters Need Real Problems
Here's where the magic happens. Both your hero and heroine need their own individual conflicts. We're talking the deep, personal stuff that's stopping them from believing they deserve a happy ever after. Maybe she's been burned before and has walls up higher than a skyscraper. Maybe he's buried himself in work because vulnerability terrifies him... because being vulnerable once led to disaster. Dive in. Dive in deep. Whatever it is, those conflicts need to clash, intertwine, and gradually resolve as the story unfolds. The reader wants to watch two wounded people heal each other. Give them that journey.
Side Characters: Less Is More
I know it's tempting to populate your world with a whole cast of quirky colleagues, meddling best friends, and wise grandmothers, but you must resist. One thing my editor has drummed into me over the years, across more than 20 of my novels, is that if you want to write for Harlequin Mills & Boon, you must stay laser-focused on the central couple. Side characters are welcome, but they should be functional. The bestie or grandma is there to reflect, challenge, or briefly support your leads. They get limited page time. This is not their story. Never let them steal the spotlight.
Set the Scene (Make It Gorgeous)
One thing I absolutely love about writing for Harlequin Mills & Boon is that these books call for some seriously incredible settings. Exotic locations and unique backdrops are encouraged. I write for the Medical Romance line, so think... a sun-drenched clinic on a Greek island? A field hospital in the shadow of a volcano? Yes please! Your setting should feel almost like another character, drawing the reader into a world they want to escape to. Do your research, soak up the details, and make every location vivid and specific. I try to think along the lines of where do I want that magical first kiss to occur, and build around that.
Research Smart, Not Deep
Speaking of research... especially if you're aiming to write for the Medical line like me... you need to know enough to be convincing, but you're not writing a textbook here. Get the basics right, okay? Understand the procedures, the terminology, the hospital hierarchy. But don't drown your reader in clinical details. The operation, scan, even hospital staff party is the backdrop; the romance is the story. A reader should feel the tension of a medical emergency without needing a degree to follow along.
No Flashbacks, Please
This one's simple. Mills & Boon editors are not fans of flashbacks, and honestly? Neither am I. They stall momentum. Instead of pulling readers out of the present to revisit the past, weave backstory in through dialogue, internal thought and emotional reaction. Keep the story moving forward, always.
Now It's Your Turn
If you've been sitting on a romance idea... like that one gorgeous story that keeps nagging at you in the shower or on your commute... maybe it's time to actually write it? Harlequin Mills & Boon is actively looking for fresh voices, and the submission process is more accessible than you might think. And no, you don't need an agent. I had an agent before writing for Mills & Boon, but now, over 20 novels later, I don't! Start with two characters, give them real problems, drop them somewhere beautiful, and let them fall in love against the odds.
The world needs more love stories. Yours could be next, and I for one would love to read it.
Happy writing!
Becky x
Check out my Mills & Boon books and all my other stories here