By The Sheikh's Command

Description for BY THE SHEIKH'S COMMAND by Debbi Rawlins:

He could have a harem of women, yet Prince Rafe Braham desired only one: Brianna Taylor. But the bachelor sheikh had promised Brianna's brother he'd watch over the innocent beauty, and Rafe would never betray his solemn word. Then an innocent kiss led to an unexpected night of passion and his honorable code bid Rafe claim Brianna as his in-name-only bride. Despite Brianna's stubborn objection, Rafe vowed to make her his, though the powerful sheikh swore he would never succumb to her brand of temptation again. But his heart had other ideas....

Brides of the Desert Rose

Harlequin American Romance #933, August, 2002.