The Sheik - E. M. HULL

The novel on which the famous silent movie starring Rudolf Valentino was based. The plot is set in motion as Lady Conway disapproves of Diana's planning a desert trip with just her Arab guides to accompany her. Diana gets kidnapped by the Sheik, Ahmed Ben Hassan. Finally allowed to ride in the desert alone, she plans an escape. However, the Sheik recaptures her. And so the story unfolds. (Summary by Bill Boerst based on Wikipedia)