Anne Herries 
Regency Lord’s Command [EPUB ebook] 
The Disappearing Duchess / The Mysterious Lord Marlowe

The Disappearing Duchess When Lucinda flees her new husband without a word, the Duke of Avonlea is devastated by his young wife’s disappearance. He’s determined not to rest until he has answers — but first, Justin must bring his unwilling bride back to their matrimonial home…The Mysterious Lord Marlowe Miss Jane Lanchester has been kidnapped — but manages to escape, with the help of the mysterious Lord Marlowe. Fleeing for their lives, the pair must trust each other…but, when a deep attachment develops, peril begins to give way to desire…