Colin and Mary are a couple whose intimacy knows no bounds. Away on a holiday together in a nameless city, they get lost one evening in a labyrinth of streets and canals. They happen upon Robert, a stranger with a dark history, who takes them to a bar and ushers them down into a subterranean land of violence and obsession. Paperback , 176 pages Published June 5th 1997 by Vintage (first published 1981)