There are 6 books in the Surprise! Dukes series. The newest book is The Duke's Mysterious Lover which came out in 2024.

2
The Duke's Bartered Mistress

Book cover of The Duke's Bartered Mistress
The whispers say he’s a demon, but now he owns her…

It is vital Lady Georgia Stoughton finds a way to pay her father’s debt, but the cursed man who owns it refuses her money. So when she offers herself in repayment, the devil with the body of an angel…

3
The Duke's Counterfeit Wife

Book cover of The Duke's Counterfeit Wife
How did she end up make-believe married to the Grump Next Door?

Spinster scientist Felicity Montrose has always been as curious as one of her pet cats. So when her dark and dangerous neighbor catches her breaking into his house, her body’s reactions to his manhandling raises all sorts of…

4
The Duke's Daring Bride

Book cover of The Duke's Daring Bride
What is the price of her innocence?

Miss Olivia Wilson is desperate, and desperate women do daring things. No, not the time she ventured into the East End alone after dark—and had to be rescued by a tall, dark mysterious stranger—but she's willing to do just about anything to save…

5
The Duke's Wicked Widow

Book cover of The Duke's Wicked Widow
They call him the Duke of Death, but he's her last chance at a life worth living!

To Society, Fawkes MacMillan is a nobody; a hanger-on at the edge of respectability with a murky past and an even murkier lineage. But to Lady Danielle Aycock, he is her only hope…

6
The Duke's Mysterious Lover

Book cover of The Duke's Mysterious Lover
This rake is about to learn a lesson he'll never forget!

If there's one thing Society knows about Thorne Cumming, the new Duke of Stroken—do not call him Stroke for the love of God—it's that he enjoys the pleasures offered by a lady. Or two ladies—or even a gentleman. Or…