Experience already reduced to a group of impressions is ringed round for each one of us by that thick wall of personality through which no real voice has ever pierced on its way to us or from us to that which we can only conjecture to be without.
Ellis Peters's historical detail is very accurate and very minute and therefore is not only interesting to read but good for an actor to acquire a sense of the period. And the other thing I think is that an actor lives in the land of imagination.