Janet Dailey 
Nightway [EPUB ebook] 

From the ancient way of Arizonas Navaho nation to the new ranch wealth of the great Southwest, two warring sons fought for one womans love. Lannas quiet beauty won the love of two very different menthe white son and his half-brother. One, charming, secure in his world and his riches. The other, an outcast of brooding sensuality, proud of his Indian ways. Lanna would be forced to choose between themand between two kinds of life. And even as they fought to possess her, the dark legacy of greed and treachery that lay hidden in their family threatened to destroy her futureand her love.