Lynne Graham 
Jewel in His Crown [EPUB ebook] 

Sheikh Prince Raja al-Somari knows that sacrificing his freedom for the good of his country isn't a choice; it's a duty. But he's going to have to use more pleasurable tactics to convince his new bride.…A day ago Ruby Sommerton was an ordinary girl, going to work and gossiping with her flatmate, now she's found out she's a princess and waits nervously in the bedroom of the Prince's desert palace!Raja's new bride has a lot to learn about being a royal, most enticingly of all…how exhilarating nights with her new husband can be—and that an heir is top of his agenda!