On a remote research island between Australia and Antarctica, Dominic Salt and his three children serve as caretakers. Their isolated lives change dramatically when a mysterious woman washes ashore, bringing secrets and questions. “Wild Dark Shore,” a novel by Charlotte McConaghy, explores themes of love, sacrifice, and the choices we make to protect our loved ones amidst a crumbling world. McConaghy, known for her bestselling book “Once There Were Wolves,” will discuss her work with interviewer Michaela Kalowski.