Louise Allen 
Those Scandalous Ravenhursts 
The Dangerous Mr Ryder (Those Scandalous Ravenhursts, Book 1) / The Outrageous Lady Felsham (Those Scandalous Ravenhursts, Book 2)

Notorious Regency Lords and Ladies!The Dangerous Mr Ryder Jack Ryder knows that escorting the haughty Grand Duchess of Maubourg to England will not be an easy task. But the spy and adventurer is sure he’s capable of managing Her Serene Highness. However, he’s not prepared for her beauty, her youth, or her sensual warmth. And what started as just another mission is rapidly becoming something far more personal…The Outrageous Lady Felsham Freed from her unhappy marriage, Belinda, Lady Felsham, plans to enjoy herself. She suspects that the breathtakingly handsome Major Ashe Reynard is exactly what she needs. But high society will not forgive a scandal! Still, the outrageous couple embark on an affair-and Belinda becomes increasingly confused. She has no desire to marry, but Ashe is a man she cannot live without…