Lions, wolves, and vultures don't live together in herds, droves or flocks. Of all animals of prey, man is the only sociable one. Every one of us preys upon his neighbor, and yet we herd together.
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.
In my own recent String Trio I attempt to superimpose two quite different sets of formal strategies, both of which, ultimately, refer back to historical precedent.