The Turtle's Beating HeartGrandchildren meet their grandparents at the end, Denise Low says, as tragic figures. We remember their decline and deaths. . . . The story we see as grandchildren is like a garden covered by snow, just outlines visible. Low brings to light deeply held secrets of Native ancestry as she recovers the life story of her Kansas grandfather, Frank Bruner (18891963). She remembers her childhood in Kansas, where her grandparents remained at a distance,