An American working in the pre-war Welsh quarries takes up residence with a family that is divided over a strike - the son leads the men and the father is a blackleg. Returning in the 1950's, always secretly in love with the father, the American now has an affair with his son.

An Interference of Light 1996, Penguin Books Ltd, London

ISBN-13: 9780140166750

New edition

Mass-market paperback

An Interference of Light 1995, Viking, London

ISBN-13: 9780670843084