Unlike most of Gunn's novels, The Lost Chart is set in a city - the city of Glasgow and its sea approaches. The untypical choice of background for the story is not the only departure from Gunn's usual approach to his novels. The book is also a thriller. The story unfolds in a social ambience of fear and speculation within which certain sinister political forces are at work. Nuclear war is a possibility, if not a certainty. Shipping executive Dermot...