'First Lady of the West'' Linda Lael Miller has stormed to the top of the New York Times best-sellers list with novels her many fans can' t get enough of. In Big Sky Mountain, rough-and-tumble cowboy Hutch Carmody is not exactly the type to come home for family dinner. Or is he? After making peace with his half-brother and inheriting half of Whisper Creek Ranch, Hutch sets his sights on kindhearted divorcEe Kendra Shepherd. But even with his newfound wealth and rugged good looks, Hutch finds that Kendra is frustratingly immune to his charms.