The trouble is how do you define a mirror..... effectively any reflective surface could be a mirror, the surface of a pond, reflection in a pair of spectacles or the glass in a window.
I am suprised that Terry did not make more of this in the book, Granny caused the mirror in the casino to shatter but could She still be spied on from other reflective surfaces?
Granny and Lilith were reflections of each other or flip sides of the same coin, I think, in the same way that in some of the Star Trek shows identical people from the mirror universe that were either evil or good copies of their doubles. Yin and yang, good and evil......but both part of the whole...... although both thought the other one was the evil one.......
I am suprised that Terry did not make more of this in the book, Granny caused the mirror in the casino to shatter but could She still be spied on from other reflective surfaces?
Granny and Lilith were reflections of each other or flip sides of the same coin, I think, in the same way that in some of the Star Trek shows identical people from the mirror universe that were either evil or good copies of their doubles. Yin and yang, good and evil......but both part of the whole...... although both thought the other one was the evil one.......