A New York Times Notable Book

Louise Erdrich, the New York Times bestselling, National Book Award-winning author of LaRose and The Round House, paints a startling portrait of a young woman fighting for her life and her unborn child against oppressive forces that manifest in the wake of a cataclysmic event.

The world as we know it is ending. Evolution has reversed itself, affecting every living creature on earth. Science cannot stop the world from running backwards, as woman after woman gives birth to infants that appear to be primitive species of humans. Twenty-six-year-old Cedar Hawk Songmaker, adopted daughter of a pair of big-hearted, open-minded Minneapolis liberals, is as disturbed and uncertain as the rest of America around her. But for Cedar, this change is profound and deeply personal. She is four months pregnant.

Though she wants to tell the adoptive parents who raised her from infancy, Cedar first feels compelled to...