Desert Kings Series by Jane Porter

When Jesslyn knew him in London, Sharif Fehr was a playboy prince, and their romance was carefree and fun. Now Jesslyn has been summoned to the desert land that Sheikh Sharif rules. The intervening years have proved harsh and cruel, and Sharif has grown used to his word being law. No one dares challenge him--except Jesslyn. But for all her sweet insolence, Sharif is sure of one thing: Jesslyn will obey his ultimate command and submit--to becoming his wife and queen.

When Sheikh Khalid Fehr rescues innocent Olivia Morse from the hands of his country's enemies, he guarantees her freedom by announcing she is his betrothed....Khalid has vouched for Liv with his honor... and this desert king is determined that his new wife will fulfill her marital duties, by his side as his regal queen...and as his captive virgin bride!

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…