This is a novel based on the true story by Ruth and Jack Gruener. Inside, the book is dedicated: ‘For Jack who survived’. So it’s a novel that’s not a novel and a memoir that is not a memoir. All memories are ersatz, watery coffee brought to the boil with novelistic techniques. So we open, Chapter One, page two, with equilibrium, a remember of remembering: ‘If I had known what the next six years of my life were going to be like, I would have...