sentences:  At a point towards the end of the 21st century, Britain is in the grip of a new ice age.Men and women are largely living separately in different areas of the country, while civilisation and law and order have mostly broken down.As an old man living with a group of outlaws who will dispose of him once he has outlived his usefulness to them, Saul begins to tell the tale of his life, and in particular his marriage to Sarah.