Lynne Graham 
His Queen by Desert Decree 

Wife—by royal declaration!Language teacher Molly Carlisle is furious when she is kidnapped by an impulsive young sheikh and taken to the kingdom of Djalia. Until she meets her abductor’s brother, and his commanding charisma sends a shock wave of need through her…King Azrael fights hard to resist the temptation of Molly’s bountiful curves, especially when a sandstorm strands them overnight in the desert. To protect her reputation from scandal, Azrael declares them secretly married, only to discover his tactical announcement is legally binding—Molly is now his queen! And Azrael is determined to claim his wedding night…