Louise Hay endorses Abraham-Hicks books by describing Abraham as :'The best teachers on the planet '.
In today's quote , on the Abraham Law of attraction group, Abraham defines themselves as 'Non Physical Energy present in all things . Source Energy.'
Usually they describe themselves as: 'Non physical group of teachers communicating through the physical apparatus of Esther '.
The process of communication between physical and non physical dimensions, is commonly known as 'Channelling' ; Another term for a channeller is a 'Medium'.
By the way , Neither term is used by Abraham or by Esther and Jerry Hicks.
It would be interesting to hear your views and experiences of the matter.