Millionaire's Virgin Mistress by ROBYN DONALD

Paige Howard has held a reluctant and secret desire for New Zealand tycoon Marc Corbett ever since they met — when he married her best friend! Six years later, still a virgin, Paige has never felt the same for anyone else. When her friend’s legacy sends Marc back to Paige, they are caught again in the grip of their reluctant attraction. But she’s heard that Marc was disloyal during his marriage. Paige will never give herself to a man who only seems to want her as his mistress — no matter how strong the temptation…