Mari Graña has published books on New Mexico history and on western women in medicine. Her memoir, "Begoso Cabin," won the Willa Cather Award from Women Writing the West for best memoir of 2000, and the biography of her physician grandmother, "Pioneer Doctor," was a finalist for the same award in 2006. "Charity's Sister" is the third in a series on women in medicine. She lives in Santa Fe, New Mexico.