"A sweeping, unforgettable novel fromThe New York Timesbest-selling author ofMaine, about the hope, sacrifice, and love between two sisters and the secret that drives them apart. Nora and Theresa Flynn are twenty-one and seventeen when they leave their small village in Ireland and journey to America. Nora is the responsible sister; she's shy and serious and engaged to a man she isn't sure that she loves. Theresa is gregarious; she is thrilled by...