"Coogan proceeds to try and untangle a collection of the most intricate thickets in post WW2 intelligence history. Does he succeed? I think so; at any rate he succeeds in making intelligible areas of which I previously had little understanding....I was simply staggered by the amount of work Coogan has done and his extraordinary patience with some of the most intractable material imaginable."Robin Ramsay, Lobster Magazine.