There are 5 books in the Bound and Determined series. The newest book is Tangled in Sin which came out in 2017.

1
Mastering the Marquess

Book cover of Mastering the Marquess
One night of fierce passion and unbound pleasure leaves two strangers craving much more in Lavinia Kent’s sumptuous novel.
 
The time has come for the widow Louisa, Lady Brookingston, to move on, but she refuses to remarry at the cost of shaming her late husband’s memory. Their six years together…
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2
Bound by Bliss

Book cover of Bound by Bliss
In Lavinia Kent's luscious historical romance, a free spirit learns her true desires from a master of the heart—and of the body.
 
Lady Bliss Danser, daughter of the Duke of Mirth, is a scandal waiting to erupt. Which is why her highly conventional brother wants to saddle her with Stephan…

3
Ravishing Ruby

Book cover of Ravishing Ruby
Torn between duty and desire, London's most infamous madam fights for a future with the love of her life: an insatiable, ruggedly charming American sailor.
 
Emma Scanton's grandfather wants her to marry. Though he means well, he has no idea that his sweet, shy granddaughter leads a double life as…

4
Angel in Scarlet

Book cover of Angel in Scarlet
From the author of Mastering the Marquess comes another blazingly provocative Regency romance! Revenge may be a dish best served cold, but in this clash of wills, lust is a feast for the senses.
 
After her dreams of wedding bells are dashed by a man she thought had serious intentions,…

5
Tangled in Sin

Book cover of Tangled in Sin
An innocent young woman flirts with scandal and becomes the mistress of her own forbidden desires in this stimulating Regency romance from the author of Mastering the Marquess.

Lady Cynthia Westhope can't believe the shocking rumor is true. Her childhood friend, the daughter of a duke no less, has become…