<p>Rex Beach's 'Heart of the Sunset' echoes with the resounding vigor of the old West, measured against the vast landscapes of northern Mexico and Texas's Rio Grande Valley. Through Beach's consummate storytelling, each page bristles with tension as 'bad guys' and the archetypal muscular Texas Ranger come to life. His prose marries the rawness of the frontier with an undercurrent of romance, fostering a narrative that is both visually evocative a...