Jane Porter 
Duty, Desire And The Desert King [EPUB ebook] 

Playboy sheikh, unwilling wife… As the black sheep of the Fehrs, a powerful desert family, middle son Zayed has sworn off love and marriage. This playboy prince is happiest when cruising the casinos of Monte Carlo. But then family tragedy leaves him as heir to his kingdom’s throne. Custom dictates that a wife must be seated beside him, and he’s got just the bride in mind…Rou Tournell is a feisty, independent woman — and if she won’t marry Zayed for duty, maybe desire will help persuade her…