What woman hasn't fantasized about galloping off into the sunset with a cowboy like the Marlboro Man? In Sybil Raney's engaging novel, "Waiting for Thunder," Ann MacMann does just that when she gives up the glitter of her life, career, and rich fiance in L.A. to start a dude ranch with Thunder, the cowboy she meets on a fateful trip home to the favorite place of her youth, the Texas Hill Country, where Ann buys the Shooting Star Ranch. But, instead of the blissful ride into the sunset with Thunder that Ann had imagined, she's bucked into a wild ride of unforeseen trials, tribulations, and...