Books in the Heart's Treasure series

Now, back in England, Marisa finds that she is faced with a new challenge - that of fitting into English society. But that's not all - how could she have anticipated the appearance of a rival, a formidable foe in the form of Byron's ex-fiancee, who seems determined to make her new, idyllic life a major misery. And. if that weren't bad enough, when Marisa thinks things can't get any worse, her nemesis throw an unexpected bomb that blows her world to pieces, a catastrophe that causes her to question her husband's fidelity to her. Byron is bowled over when a ghost from his past shows up and turns his world upside down. He'd thought that was bad, until a second, unethical, ghost uses his influence to have him apprehended, his freedom endangered. How can he gain his freedom so he can protect his family from this terrifying threat? How can he regain the trust of his wife and win back his life?