For anyone looking for great erotic historical romances, check out Bertrice Small. I´ve denoted the Skye O´Malley series below with a (S) after the title, and the Jasmine series with a (J) series.

Novellas:

Mastering Lady Lucinda in
Fascinated

Ecstasy in
Captivated

The Awakening in
Delighted

Novels:

Skye O'Malley (S)

All the Sweet Tomorrows (S)

Lost Love Found (S)

This Heart of Mine (S)

Love for All Time (S)

Wild Jasmine (S)

Darling Jasmine: The Glenkirk Chronciles (J)

Bedazzled (J) (currently unavailable)

Besieged

Intrigued

Memory of Love

Deceived

Hellion

Love Slave

Innocent

Unconquered

Love, Remember Me

Duchess

Blaze Wyndham

Betrayed

Beloved

Adora (currently unavailable)

The Spitfire

A Moment in Time

Enchantress Mine (currently unavailable)

Love Wild and Fair

Kadin

Rosamund

Vixens (J)

Just Beyond Tomorrow

Until You

To Love Again

Dragonlord's Daughter

And now she's dipped her toes into contemporary waters with this one:
Private Pleasures