B. M. Bower 
Her Prairie Knight 

A debutante hailing from an aristocratic family in the Northeastern United States, Beatrice Lansell fills her days with coquetry, leisure and meaningless flirtations, but she has never found true love. Her family is pressing her to accept the marriage offer of a wealthy Englishman, but the staunchly independent Beatrice finds herself equally annoyed and attracted by mysterious cowboy Keith Cameron. Will this improbable romance last?