Circle Eight Millennium Series by Beth Williamson

Lazarus Graham has always been the black sheep of his family. Leaving behind the ranch his family had owned for nearly 200 years, he lives life as a Texas Ranger. Tough, hard and inflexible, he has no time for life's fripperies. Beatrice Cartwright never expected to run into her childhood nemesis again. Yet Laz Graham sauntered into her store to investigate a crime nearby. Then the man had the nerve to not remember her... moreLazarus Graham has always been the black sheep of his family. Leaving behind the ranch his family had owned for nearly 200 years, he lives life as a Texas Ranger. Tough, hard and inflexible, he has no time for life's fripperies. Beatrice Cartwright never expected to run into her childhood nemesis again. Yet Laz Graham sauntered into her store to investigate a crime nearby. Then the man had the nerve to not remember her. Being a Graham isn't easy, and it's about to get a lot harder for one stubborn lawman and the woman who still owns his heart. less